127923980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 300464640

約数和(自身を除く): 172540660

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 53, 62, 68, 85, 106, 124, 155, 170, 212, 229, 265, 310, 340, 458, 527, 530, 620, 901, 916, 1054, 1060, 1145, 1643, 1802, 2108, 2290, 2635, 3286, 3604, 3893, 4505, 4580, 5270, 6572, 7099, 7786, 8215, 9010, 10540, 12137, 14198, 15572, 16430, 18020, 19465, 24274, 27931, 28396, 32860, 35495, 38930, 48548, 55862, 60685, 70990, 77860, 111724, 120683, 121370, 139655, 141980, 206329, 241366, 242740, 279310, 376247, 412658, 482732, 558620, 603415, 752494, 825316, 1031645, 1206830, 1504988, 1881235, 2063290, 2413660, 3762470, 4126580, 6396199, 7524940, 12792398, 25584796, 31980995, 63961990, 127923980]

約数ペア:

[(1, 127923980), (2, 63961990), (4, 31980995), (5, 25584796), (10, 12792398), (17, 7524940), (20, 6396199), (31, 4126580), (34, 3762470), (53, 2413660), (62, 2063290), (68, 1881235), (85, 1504988), (106, 1206830), (124, 1031645), (155, 825316), (170, 752494), (212, 603415), (229, 558620), (265, 482732), (310, 412658), (340, 376247), (458, 279310), (527, 242740), (530, 241366), (620, 206329), (901, 141980), (916, 139655), (1054, 121370), (1060, 120683), (1145, 111724), (1643, 77860), (1802, 70990), (2108, 60685), (2290, 55862), (2635, 48548), (3286, 38930), (3604, 35495), (3893, 32860), (4505, 28396), (4580, 27931), (5270, 24274), (6572, 19465), (7099, 18020), (7786, 16430), (8215, 15572), (9010, 14198), (10540, 12137)]