678071680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 256

約数和(自身を含む): 1974067200

約数和(自身を除く): 1295995520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 128, 130, 143, 155, 160, 176, 208, 220, 239, 248, 260, 286, 310, 320, 341, 352, 403, 416, 440, 478, 496, 520, 572, 620, 640, 682, 704, 715, 806, 832, 880, 956, 992, 1040, 1144, 1195, 1240, 1364, 1408, 1430, 1612, 1664, 1705, 1760, 1912, 1984, 2015, 2080, 2288, 2390, 2480, 2629, 2728, 2860, 3107, 3224, 3410, 3520, 3824, 3968, 4030, 4160, 4433, 4576, 4780, 4960, 5258, 5456, 5720, 6214, 6448, 6820, 7040, 7409, 7648, 8060, 8320, 8866, 9152, 9560, 9920, 10516, 10912, 11440, 12428, 12896, 13145, 13640, 14818, 15296, 15535, 16120, 17732, 18304, 19120, 19840, 21032, 21824, 22165, 22880, 24856, 25792, 26290, 27280, 29636, 30592, 31070, 32240, 34177, 35464, 37045, 38240, 42064, 43648, 44330, 45760, 49712, 51584, 52580, 54560, 59272, 62140, 64480, 68354, 70928, 74090, 76480, 81499, 84128, 88660, 91520, 96317, 99424, 105160, 109120, 118544, 124280, 128960, 136708, 141856, 148180, 152960, 162998, 168256, 170885, 177320, 192634, 198848, 210320, 218240, 237088, 248560, 257920, 273416, 283712, 296360, 325996, 336512, 341770, 354640, 385268, 397696, 407495, 420640, 474176, 481585, 497120, 546832, 567424, 592720, 651992, 683540, 709280, 770536, 814990, 841280, 948352, 963170, 994240, 1059487, 1093664, 1185440, 1303984, 1367080, 1418560, 1541072, 1629980, 1682560, 1926340, 1988480, 2118974, 2187328, 2370880, 2607968, 2734160, 2837120, 3082144, 3259960, 3852680, 4237948, 4374656, 4741760, 5215936, 5297435, 5468320, 6164288, 6519920, 7705360, 8475896, 10431872, 10594870, 10936640, 12328576, 13039840, 15410720, 16951792, 21189740, 21873280, 26079680, 30821440, 33903584, 42379480, 52159360, 61642880, 67807168, 84758960, 135614336, 169517920, 339035840, 678071680]

約数ペア:

[(1, 678071680), (2, 339035840), (4, 169517920), (5, 135614336), (8, 84758960), (10, 67807168), (11, 61642880), (13, 52159360), (16, 42379480), (20, 33903584), (22, 30821440), (26, 26079680), (31, 21873280), (32, 21189740), (40, 16951792), (44, 15410720), (52, 13039840), (55, 12328576), (62, 10936640), (64, 10594870), (65, 10431872), (80, 8475896), (88, 7705360), (104, 6519920), (110, 6164288), (124, 5468320), (128, 5297435), (130, 5215936), (143, 4741760), (155, 4374656), (160, 4237948), (176, 3852680), (208, 3259960), (220, 3082144), (239, 2837120), (248, 2734160), (260, 2607968), (286, 2370880), (310, 2187328), (320, 2118974), (341, 1988480), (352, 1926340), (403, 1682560), (416, 1629980), (440, 1541072), (478, 1418560), (496, 1367080), (520, 1303984), (572, 1185440), (620, 1093664), (640, 1059487), (682, 994240), (704, 963170), (715, 948352), (806, 841280), (832, 814990), (880, 770536), (956, 709280), (992, 683540), (1040, 651992), (1144, 592720), (1195, 567424), (1240, 546832), (1364, 497120), (1408, 481585), (1430, 474176), (1612, 420640), (1664, 407495), (1705, 397696), (1760, 385268), (1912, 354640), (1984, 341770), (2015, 336512), (2080, 325996), (2288, 296360), (2390, 283712), (2480, 273416), (2629, 257920), (2728, 248560), (2860, 237088), (3107, 218240), (3224, 210320), (3410, 198848), (3520, 192634), (3824, 177320), (3968, 170885), (4030, 168256), (4160, 162998), (4433, 152960), (4576, 148180), (4780, 141856), (4960, 136708), (5258, 128960), (5456, 124280), (5720, 118544), (6214, 109120), (6448, 105160), (6820, 99424), (7040, 96317), (7409, 91520), (7648, 88660), (8060, 84128), (8320, 81499), (8866, 76480), (9152, 74090), (9560, 70928), (9920, 68354), (10516, 64480), (10912, 62140), (11440, 59272), (12428, 54560), (12896, 52580), (13145, 51584), (13640, 49712), (14818, 45760), (15296, 44330), (15535, 43648), (16120, 42064), (17732, 38240), (18304, 37045), (19120, 35464), (19840, 34177), (21032, 32240), (21824, 31070), (22165, 30592), (22880, 29636), (24856, 27280), (25792, 26290)]