628841640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20233}}^1$

素因数の和:20291

約数の個数: 128

約数和(自身を含む): 2214408960

約数和(自身を除く): 1585567320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 10360, 15540, 20233, 31080, 40466, 60699, 80932, 101165, 121398, 141631, 161864, 202330, 242796, 283262, 303495, 404660, 424893, 485592, 566524, 606990, 708155, 748621, 809320, 849786, 1133048, 1213980, 1416310, 1497242, 1699572, 2124465, 2245863, 2427960, 2832620, 2994484, 3399144, 3743105, 4248930, 4491726, 5240347, 5665240, 5988968, 7486210, 8497860, 8983452, 10480694, 11229315, 14972420, 15721041, 16995720, 17966904, 20961388, 22458630, 26201735, 29944840, 31442082, 41922776, 44917260, 52403470, 62884164, 78605205, 89834520, 104806940, 125768328, 157210410, 209613880, 314420820, 628841640]

約数ペア:

[(1, 628841640), (2, 314420820), (3, 209613880), (4, 157210410), (5, 125768328), (6, 104806940), (7, 89834520), (8, 78605205), (10, 62884164), (12, 52403470), (14, 44917260), (15, 41922776), (20, 31442082), (21, 29944840), (24, 26201735), (28, 22458630), (30, 20961388), (35, 17966904), (37, 16995720), (40, 15721041), (42, 14972420), (56, 11229315), (60, 10480694), (70, 8983452), (74, 8497860), (84, 7486210), (105, 5988968), (111, 5665240), (120, 5240347), (140, 4491726), (148, 4248930), (168, 3743105), (185, 3399144), (210, 2994484), (222, 2832620), (259, 2427960), (280, 2245863), (296, 2124465), (370, 1699572), (420, 1497242), (444, 1416310), (518, 1213980), (555, 1133048), (740, 849786), (777, 809320), (840, 748621), (888, 708155), (1036, 606990), (1110, 566524), (1295, 485592), (1480, 424893), (1554, 404660), (2072, 303495), (2220, 283262), (2590, 242796), (3108, 202330), (3885, 161864), (4440, 141631), (5180, 121398), (6216, 101165), (7770, 80932), (10360, 60699), (15540, 40466), (20233, 31080)]