1720004000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 384

約数和(自身を含む): 5177862144

約数和(自身を除く): 3457858144

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 31, 32, 40, 44, 50, 52, 55, 62, 65, 80, 88, 97, 100, 104, 110, 124, 125, 130, 143, 155, 160, 176, 194, 200, 208, 220, 248, 250, 260, 275, 286, 310, 325, 341, 352, 388, 400, 403, 416, 440, 485, 496, 500, 520, 550, 572, 620, 650, 682, 715, 775, 776, 800, 806, 880, 970, 992, 1000, 1040, 1067, 1100, 1144, 1240, 1261, 1300, 1364, 1375, 1430, 1550, 1552, 1612, 1625, 1705, 1760, 1940, 2000, 2015, 2080, 2134, 2200, 2288, 2425, 2480, 2522, 2600, 2728, 2750, 2860, 3007, 3100, 3104, 3224, 3250, 3410, 3575, 3875, 3880, 4000, 4030, 4268, 4400, 4433, 4576, 4850, 4960, 5044, 5200, 5335, 5456, 5500, 5720, 6014, 6200, 6305, 6448, 6500, 6820, 7150, 7750, 7760, 8060, 8525, 8536, 8800, 8866, 9700, 10075, 10088, 10400, 10670, 10912, 11000, 11440, 12028, 12125, 12400, 12610, 12896, 13000, 13640, 13871, 14300, 15035, 15500, 15520, 16120, 17050, 17072, 17732, 17875, 19400, 20150, 20176, 21340, 22000, 22165, 22880, 24056, 24250, 24800, 25220, 26000, 26675, 27280, 27742, 28600, 30070, 31000, 31525, 32240, 33077, 34100, 34144, 35464, 35750, 38800, 39091, 40300, 40352, 42625, 42680, 44000, 44330, 48112, 48500, 50375, 50440, 52000, 53350, 54560, 55484, 57200, 60140, 62000, 63050, 64480, 66154, 68200, 69355, 70928, 71500, 75175, 77600, 78182, 80600, 85250, 85360, 88660, 96224, 97000, 100750, 100880, 106700, 110825, 110968, 114400, 120280, 124000, 126100, 132308, 133375, 136400, 138710, 141856, 143000, 150350, 156364, 157625, 161200, 165385, 170500, 170720, 177320, 194000, 195455, 201500, 201760, 213400, 221650, 221936, 240560, 252200, 264616, 266750, 272800, 277420, 286000, 300700, 312728, 315250, 322400, 330770, 341000, 346775, 354640, 375875, 388000, 390910, 403000, 426800, 430001, 443300, 443872, 481120, 504400, 529232, 533500, 554125, 554840, 572000, 601400, 625456, 630500, 661540, 682000, 693550, 709280, 751750, 781820, 806000, 826925, 853600, 860002, 886600, 977275, 1008800, 1058464, 1067000, 1108250, 1109680, 1202800, 1250912, 1261000, 1323080, 1364000, 1387100, 1503500, 1563640, 1612000, 1653850, 1720004, 1733875, 1773200, 1954550, 2134000, 2150005, 2216500, 2219360, 2405600, 2522000, 2646160, 2774200, 3007000, 3127280, 3307700, 3440008, 3467750, 3546400, 3909100, 4134625, 4268000, 4300010, 4433000, 4886375, 5044000, 5292320, 5548400, 6014000, 6254560, 6615400, 6880016, 6935500, 7818200, 8269250, 8600020, 8866000, 9772750, 10750025, 11096800, 12028000, 13230800, 13760032, 13871000, 15636400, 16538500, 17200040, 17732000, 19545500, 21500050, 26461600, 27742000, 31272800, 33077000, 34400080, 39091000, 43000100, 53750125, 55484000, 66154000, 68800160, 78182000, 86000200, 107500250, 132308000, 156364000, 172000400, 215000500, 344000800, 430001000, 860002000, 1720004000]

約数ペア:

[(1, 1720004000), (2, 860002000), (4, 430001000), (5, 344000800), (8, 215000500), (10, 172000400), (11, 156364000), (13, 132308000), (16, 107500250), (20, 86000200), (22, 78182000), (25, 68800160), (26, 66154000), (31, 55484000), (32, 53750125), (40, 43000100), (44, 39091000), (50, 34400080), (52, 33077000), (55, 31272800), (62, 27742000), (65, 26461600), (80, 21500050), (88, 19545500), (97, 17732000), (100, 17200040), (104, 16538500), (110, 15636400), (124, 13871000), (125, 13760032), (130, 13230800), (143, 12028000), (155, 11096800), (160, 10750025), (176, 9772750), (194, 8866000), (200, 8600020), (208, 8269250), (220, 7818200), (248, 6935500), (250, 6880016), (260, 6615400), (275, 6254560), (286, 6014000), (310, 5548400), (325, 5292320), (341, 5044000), (352, 4886375), (388, 4433000), (400, 4300010), (403, 4268000), (416, 4134625), (440, 3909100), (485, 3546400), (496, 3467750), (500, 3440008), (520, 3307700), (550, 3127280), (572, 3007000), (620, 2774200), (650, 2646160), (682, 2522000), (715, 2405600), (775, 2219360), (776, 2216500), (800, 2150005), (806, 2134000), (880, 1954550), (970, 1773200), (992, 1733875), (1000, 1720004), (1040, 1653850), (1067, 1612000), (1100, 1563640), (1144, 1503500), (1240, 1387100), (1261, 1364000), (1300, 1323080), (1364, 1261000), (1375, 1250912), (1430, 1202800), (1550, 1109680), (1552, 1108250), (1612, 1067000), (1625, 1058464), (1705, 1008800), (1760, 977275), (1940, 886600), (2000, 860002), (2015, 853600), (2080, 826925), (2134, 806000), (2200, 781820), (2288, 751750), (2425, 709280), (2480, 693550), (2522, 682000), (2600, 661540), (2728, 630500), (2750, 625456), (2860, 601400), (3007, 572000), (3100, 554840), (3104, 554125), (3224, 533500), (3250, 529232), (3410, 504400), (3575, 481120), (3875, 443872), (3880, 443300), (4000, 430001), (4030, 426800), (4268, 403000), (4400, 390910), (4433, 388000), (4576, 375875), (4850, 354640), (4960, 346775), (5044, 341000), (5200, 330770), (5335, 322400), (5456, 315250), (5500, 312728), (5720, 300700), (6014, 286000), (6200, 277420), (6305, 272800), (6448, 266750), (6500, 264616), (6820, 252200), (7150, 240560), (7750, 221936), (7760, 221650), (8060, 213400), (8525, 201760), (8536, 201500), (8800, 195455), (8866, 194000), (9700, 177320), (10075, 170720), (10088, 170500), (10400, 165385), (10670, 161200), (10912, 157625), (11000, 156364), (11440, 150350), (12028, 143000), (12125, 141856), (12400, 138710), (12610, 136400), (12896, 133375), (13000, 132308), (13640, 126100), (13871, 124000), (14300, 120280), (15035, 114400), (15500, 110968), (15520, 110825), (16120, 106700), (17050, 100880), (17072, 100750), (17732, 97000), (17875, 96224), (19400, 88660), (20150, 85360), (20176, 85250), (21340, 80600), (22000, 78182), (22165, 77600), (22880, 75175), (24056, 71500), (24250, 70928), (24800, 69355), (25220, 68200), (26000, 66154), (26675, 64480), (27280, 63050), (27742, 62000), (28600, 60140), (30070, 57200), (31000, 55484), (31525, 54560), (32240, 53350), (33077, 52000), (34100, 50440), (34144, 50375), (35464, 48500), (35750, 48112), (38800, 44330), (39091, 44000), (40300, 42680), (40352, 42625)]