168508720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1879}}^1$

素因数の和:1970

約数の個数: 80

約数和(自身を含む): 419616000

約数和(自身を除く): 251107280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 1879, 2242, 2360, 3758, 4484, 4720, 5605, 7516, 8968, 9395, 11210, 15032, 17936, 18790, 22420, 30064, 35701, 37580, 44840, 71402, 75160, 89680, 110861, 142804, 150320, 178505, 221722, 285608, 357010, 443444, 554305, 571216, 714020, 886888, 1108610, 1428040, 1773776, 2106359, 2217220, 2856080, 4212718, 4434440, 8425436, 8868880, 10531795, 16850872, 21063590, 33701744, 42127180, 84254360, 168508720]

約数ペア:

[(1, 168508720), (2, 84254360), (4, 42127180), (5, 33701744), (8, 21063590), (10, 16850872), (16, 10531795), (19, 8868880), (20, 8425436), (38, 4434440), (40, 4212718), (59, 2856080), (76, 2217220), (80, 2106359), (95, 1773776), (118, 1428040), (152, 1108610), (190, 886888), (236, 714020), (295, 571216), (304, 554305), (380, 443444), (472, 357010), (590, 285608), (760, 221722), (944, 178505), (1121, 150320), (1180, 142804), (1520, 110861), (1879, 89680), (2242, 75160), (2360, 71402), (3758, 44840), (4484, 37580), (4720, 35701), (5605, 30064), (7516, 22420), (8968, 18790), (9395, 17936), (11210, 15032)]