30957680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 83140512

約数和(自身を除く): 52182832

約数列:

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

約数ペア:

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