30680520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 100880640

約数和(自身を除く): 70200120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 277, 284, 312, 355, 390, 426, 520, 554, 568, 710, 780, 831, 852, 923, 1065, 1108, 1385, 1420, 1560, 1662, 1704, 1846, 2130, 2216, 2769, 2770, 2840, 3324, 3601, 3692, 4155, 4260, 4615, 5538, 5540, 6648, 7202, 7384, 8310, 8520, 9230, 10803, 11076, 11080, 13845, 14404, 16620, 18005, 18460, 19667, 21606, 22152, 27690, 28808, 33240, 36010, 36920, 39334, 43212, 54015, 55380, 59001, 72020, 78668, 86424, 98335, 108030, 110760, 118002, 144040, 157336, 196670, 216060, 236004, 255671, 295005, 393340, 432120, 472008, 511342, 590010, 767013, 786680, 1022684, 1180020, 1278355, 1534026, 2045368, 2360040, 2556710, 3068052, 3835065, 5113420, 6136104, 7670130, 10226840, 15340260, 30680520]

約数ペア:

[(1, 30680520), (2, 15340260), (3, 10226840), (4, 7670130), (5, 6136104), (6, 5113420), (8, 3835065), (10, 3068052), (12, 2556710), (13, 2360040), (15, 2045368), (20, 1534026), (24, 1278355), (26, 1180020), (30, 1022684), (39, 786680), (40, 767013), (52, 590010), (60, 511342), (65, 472008), (71, 432120), (78, 393340), (104, 295005), (120, 255671), (130, 236004), (142, 216060), (156, 196670), (195, 157336), (213, 144040), (260, 118002), (277, 110760), (284, 108030), (312, 98335), (355, 86424), (390, 78668), (426, 72020), (520, 59001), (554, 55380), (568, 54015), (710, 43212), (780, 39334), (831, 36920), (852, 36010), (923, 33240), (1065, 28808), (1108, 27690), (1385, 22152), (1420, 21606), (1560, 19667), (1662, 18460), (1704, 18005), (1846, 16620), (2130, 14404), (2216, 13845), (2769, 11080), (2770, 11076), (2840, 10803), (3324, 9230), (3601, 8520), (3692, 8310), (4155, 7384), (4260, 7202), (4615, 6648), (5538, 5540)]