120250520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 314979840

約数和(自身を除く): 194729320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 61, 65, 68, 85, 104, 122, 130, 136, 170, 221, 223, 244, 260, 305, 340, 442, 446, 488, 520, 610, 680, 793, 884, 892, 1037, 1105, 1115, 1220, 1586, 1768, 1784, 2074, 2210, 2230, 2440, 2899, 3172, 3791, 3965, 4148, 4420, 4460, 5185, 5798, 6344, 7582, 7930, 8296, 8840, 8920, 10370, 11596, 13481, 13603, 14495, 15164, 15860, 18955, 20740, 23192, 26962, 27206, 28990, 30328, 31720, 37910, 41480, 49283, 53924, 54412, 57980, 67405, 68015, 75820, 98566, 107848, 108824, 115960, 134810, 136030, 151640, 176839, 197132, 231251, 246415, 269620, 272060, 353678, 394264, 462502, 492830, 539240, 544120, 707356, 884195, 925004, 985660, 1156255, 1414712, 1768390, 1850008, 1971320, 2312510, 3006263, 3536780, 4625020, 6012526, 7073560, 9250040, 12025052, 15031315, 24050104, 30062630, 60125260, 120250520]

約数ペア:

[(1, 120250520), (2, 60125260), (4, 30062630), (5, 24050104), (8, 15031315), (10, 12025052), (13, 9250040), (17, 7073560), (20, 6012526), (26, 4625020), (34, 3536780), (40, 3006263), (52, 2312510), (61, 1971320), (65, 1850008), (68, 1768390), (85, 1414712), (104, 1156255), (122, 985660), (130, 925004), (136, 884195), (170, 707356), (221, 544120), (223, 539240), (244, 492830), (260, 462502), (305, 394264), (340, 353678), (442, 272060), (446, 269620), (488, 246415), (520, 231251), (610, 197132), (680, 176839), (793, 151640), (884, 136030), (892, 134810), (1037, 115960), (1105, 108824), (1115, 107848), (1220, 98566), (1586, 75820), (1768, 68015), (1784, 67405), (2074, 57980), (2210, 54412), (2230, 53924), (2440, 49283), (2899, 41480), (3172, 37910), (3791, 31720), (3965, 30328), (4148, 28990), (4420, 27206), (4460, 26962), (5185, 23192), (5798, 20740), (6344, 18955), (7582, 15860), (7930, 15164), (8296, 14495), (8840, 13603), (8920, 13481), (10370, 11596)]