1688348760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28309}}^1$

素因数の和:28401

約数の個数: 128

約数和(自身を含む): 5870361600

約数和(自身を除く): 4182012840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 14910, 19880, 28309, 29820, 56618, 59640, 84927, 113236, 141545, 169854, 198163, 226472, 283090, 339708, 396326, 424635, 566180, 594489, 679416, 792652, 849270, 990815, 1132360, 1188978, 1585304, 1698540, 1981630, 2009939, 2377956, 2972445, 3397080, 3963260, 4019878, 4755912, 5944890, 6029817, 7926520, 8039756, 10049695, 11889780, 12059634, 14069573, 16079512, 20099390, 23779560, 24119268, 28139146, 30149085, 40198780, 42208719, 48238536, 56278292, 60298170, 70347865, 80397560, 84417438, 112556584, 120596340, 140695730, 168834876, 211043595, 241192680, 281391460, 337669752, 422087190, 562782920, 844174380, 1688348760]

約数ペア:

[(1, 1688348760), (2, 844174380), (3, 562782920), (4, 422087190), (5, 337669752), (6, 281391460), (7, 241192680), (8, 211043595), (10, 168834876), (12, 140695730), (14, 120596340), (15, 112556584), (20, 84417438), (21, 80397560), (24, 70347865), (28, 60298170), (30, 56278292), (35, 48238536), (40, 42208719), (42, 40198780), (56, 30149085), (60, 28139146), (70, 24119268), (71, 23779560), (84, 20099390), (105, 16079512), (120, 14069573), (140, 12059634), (142, 11889780), (168, 10049695), (210, 8039756), (213, 7926520), (280, 6029817), (284, 5944890), (355, 4755912), (420, 4019878), (426, 3963260), (497, 3397080), (568, 2972445), (710, 2377956), (840, 2009939), (852, 1981630), (994, 1698540), (1065, 1585304), (1420, 1188978), (1491, 1132360), (1704, 990815), (1988, 849270), (2130, 792652), (2485, 679416), (2840, 594489), (2982, 566180), (3976, 424635), (4260, 396326), (4970, 339708), (5964, 283090), (7455, 226472), (8520, 198163), (9940, 169854), (11928, 141545), (14910, 113236), (19880, 84927), (28309, 59640), (29820, 56618)]