20972864000

素因数分解:

$2^9\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^3$

素因数の和:137

約数の個数: 320

約数和(自身を含む): 58953083904

約数和(自身を除く): 37980219904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 100, 110, 124, 125, 128, 155, 160, 176, 200, 220, 248, 250, 256, 275, 310, 320, 341, 352, 400, 440, 496, 500, 512, 550, 620, 640, 682, 704, 775, 800, 880, 961, 992, 1000, 1100, 1240, 1280, 1364, 1375, 1408, 1550, 1600, 1705, 1760, 1922, 1984, 2000, 2200, 2480, 2560, 2728, 2750, 2816, 3100, 3200, 3410, 3520, 3844, 3875, 3968, 4000, 4400, 4805, 4960, 5456, 5500, 5632, 6200, 6400, 6820, 7040, 7688, 7750, 7936, 8000, 8525, 8800, 9610, 9920, 10571, 10912, 11000, 12400, 12800, 13640, 14080, 15376, 15500, 15872, 16000, 17050, 17600, 19220, 19840, 21142, 21824, 22000, 24025, 24800, 27280, 28160, 29791, 30752, 31000, 32000, 34100, 35200, 38440, 39680, 42284, 42625, 43648, 44000, 48050, 49600, 52855, 54560, 59582, 61504, 62000, 64000, 68200, 70400, 76880, 79360, 84568, 85250, 87296, 88000, 96100, 99200, 105710, 109120, 119164, 120125, 123008, 124000, 136400, 140800, 148955, 153760, 169136, 170500, 174592, 176000, 192200, 198400, 211420, 218240, 238328, 240250, 246016, 248000, 264275, 272800, 297910, 307520, 327701, 338272, 341000, 352000, 384400, 396800, 422840, 436480, 476656, 480500, 492032, 496000, 528550, 545600, 595820, 615040, 655402, 676544, 682000, 704000, 744775, 768800, 845680, 872960, 953312, 961000, 992000, 1057100, 1091200, 1191640, 1230080, 1310804, 1321375, 1353088, 1364000, 1489550, 1537600, 1638505, 1691360, 1906624, 1922000, 1984000, 2114200, 2182400, 2383280, 2460160, 2621608, 2642750, 2706176, 2728000, 2979100, 3075200, 3277010, 3382720, 3723875, 3813248, 3844000, 4228400, 4364800, 4766560, 5243216, 5285500, 5412352, 5456000, 5958200, 6150400, 6554020, 6765440, 7447750, 7626496, 7688000, 8192525, 8456800, 9533120, 10486432, 10571000, 10912000, 11916400, 12300800, 13108040, 13530880, 14895500, 15252992, 15376000, 16385050, 16913600, 19066240, 20972864, 21142000, 21824000, 23832800, 26216080, 27061760, 29791000, 30752000, 32770100, 33827200, 38132480, 40962625, 41945728, 42284000, 47665600, 52432160, 59582000, 61504000, 65540200, 67654400, 76264960, 81925250, 83891456, 84568000, 95331200, 104864320, 119164000, 131080400, 135308800, 163850500, 167782912, 169136000, 190662400, 209728640, 238328000, 262160800, 327701000, 338272000, 381324800, 419457280, 476656000, 524321600, 655402000, 676544000, 838914560, 953312000, 1048643200, 1310804000, 1906624000, 2097286400, 2621608000, 4194572800, 5243216000, 10486432000, 20972864000]

約数ペア:

[(1, 20972864000), (2, 10486432000), (4, 5243216000), (5, 4194572800), (8, 2621608000), (10, 2097286400), (11, 1906624000), (16, 1310804000), (20, 1048643200), (22, 953312000), (25, 838914560), (31, 676544000), (32, 655402000), (40, 524321600), (44, 476656000), (50, 419457280), (55, 381324800), (62, 338272000), (64, 327701000), (80, 262160800), (88, 238328000), (100, 209728640), (110, 190662400), (124, 169136000), (125, 167782912), (128, 163850500), (155, 135308800), (160, 131080400), (176, 119164000), (200, 104864320), (220, 95331200), (248, 84568000), (250, 83891456), (256, 81925250), (275, 76264960), (310, 67654400), (320, 65540200), (341, 61504000), (352, 59582000), (400, 52432160), (440, 47665600), (496, 42284000), (500, 41945728), (512, 40962625), (550, 38132480), (620, 33827200), (640, 32770100), (682, 30752000), (704, 29791000), (775, 27061760), (800, 26216080), (880, 23832800), (961, 21824000), (992, 21142000), (1000, 20972864), (1100, 19066240), (1240, 16913600), (1280, 16385050), (1364, 15376000), (1375, 15252992), (1408, 14895500), (1550, 13530880), (1600, 13108040), (1705, 12300800), (1760, 11916400), (1922, 10912000), (1984, 10571000), (2000, 10486432), (2200, 9533120), (2480, 8456800), (2560, 8192525), (2728, 7688000), (2750, 7626496), (2816, 7447750), (3100, 6765440), (3200, 6554020), (3410, 6150400), (3520, 5958200), (3844, 5456000), (3875, 5412352), (3968, 5285500), (4000, 5243216), (4400, 4766560), (4805, 4364800), (4960, 4228400), (5456, 3844000), (5500, 3813248), (5632, 3723875), (6200, 3382720), (6400, 3277010), (6820, 3075200), (7040, 2979100), (7688, 2728000), (7750, 2706176), (7936, 2642750), (8000, 2621608), (8525, 2460160), (8800, 2383280), (9610, 2182400), (9920, 2114200), (10571, 1984000), (10912, 1922000), (11000, 1906624), (12400, 1691360), (12800, 1638505), (13640, 1537600), (14080, 1489550), (15376, 1364000), (15500, 1353088), (15872, 1321375), (16000, 1310804), (17050, 1230080), (17600, 1191640), (19220, 1091200), (19840, 1057100), (21142, 992000), (21824, 961000), (22000, 953312), (24025, 872960), (24800, 845680), (27280, 768800), (28160, 744775), (29791, 704000), (30752, 682000), (31000, 676544), (32000, 655402), (34100, 615040), (35200, 595820), (38440, 545600), (39680, 528550), (42284, 496000), (42625, 492032), (43648, 480500), (44000, 476656), (48050, 436480), (49600, 422840), (52855, 396800), (54560, 384400), (59582, 352000), (61504, 341000), (62000, 338272), (64000, 327701), (68200, 307520), (70400, 297910), (76880, 272800), (79360, 264275), (84568, 248000), (85250, 246016), (87296, 240250), (88000, 238328), (96100, 218240), (99200, 211420), (105710, 198400), (109120, 192200), (119164, 176000), (120125, 174592), (123008, 170500), (124000, 169136), (136400, 153760), (140800, 148955)]