61915360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 168962976

約数和(自身を除く): 107047616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 103, 104, 130, 136, 160, 170, 206, 208, 221, 260, 272, 289, 340, 412, 416, 442, 515, 520, 544, 578, 680, 824, 884, 1030, 1040, 1105, 1156, 1339, 1360, 1445, 1648, 1751, 1768, 2060, 2080, 2210, 2312, 2678, 2720, 2890, 3296, 3502, 3536, 3757, 4120, 4420, 4624, 5356, 5780, 6695, 7004, 7072, 7514, 8240, 8755, 8840, 9248, 10712, 11560, 13390, 14008, 15028, 16480, 17510, 17680, 18785, 21424, 22763, 23120, 26780, 28016, 29767, 30056, 35020, 35360, 37570, 42848, 45526, 46240, 53560, 56032, 59534, 60112, 70040, 75140, 91052, 107120, 113815, 119068, 120224, 140080, 148835, 150280, 182104, 214240, 227630, 238136, 280160, 297670, 300560, 364208, 386971, 455260, 476272, 595340, 601120, 728416, 773942, 910520, 952544, 1190680, 1547884, 1821040, 1934855, 2381360, 3095768, 3642080, 3869710, 4762720, 6191536, 7739420, 12383072, 15478840, 30957680, 61915360]

約数ペア:

[(1, 61915360), (2, 30957680), (4, 15478840), (5, 12383072), (8, 7739420), (10, 6191536), (13, 4762720), (16, 3869710), (17, 3642080), (20, 3095768), (26, 2381360), (32, 1934855), (34, 1821040), (40, 1547884), (52, 1190680), (65, 952544), (68, 910520), (80, 773942), (85, 728416), (103, 601120), (104, 595340), (130, 476272), (136, 455260), (160, 386971), (170, 364208), (206, 300560), (208, 297670), (221, 280160), (260, 238136), (272, 227630), (289, 214240), (340, 182104), (412, 150280), (416, 148835), (442, 140080), (515, 120224), (520, 119068), (544, 113815), (578, 107120), (680, 91052), (824, 75140), (884, 70040), (1030, 60112), (1040, 59534), (1105, 56032), (1156, 53560), (1339, 46240), (1360, 45526), (1445, 42848), (1648, 37570), (1751, 35360), (1768, 35020), (2060, 30056), (2080, 29767), (2210, 28016), (2312, 26780), (2678, 23120), (2720, 22763), (2890, 21424), (3296, 18785), (3502, 17680), (3536, 17510), (3757, 16480), (4120, 15028), (4420, 14008), (4624, 13390), (5356, 11560), (5780, 10712), (6695, 9248), (7004, 8840), (7072, 8755), (7514, 8240)]