30957420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 97396992

約数和(自身を除く): 66439572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 71, 78, 86, 129, 130, 142, 156, 169, 172, 195, 213, 215, 258, 260, 284, 338, 355, 390, 426, 430, 507, 516, 559, 645, 676, 710, 780, 845, 852, 860, 923, 1014, 1065, 1118, 1290, 1420, 1677, 1690, 1846, 2028, 2130, 2236, 2535, 2580, 2769, 2795, 3053, 3354, 3380, 3692, 4260, 4615, 5070, 5538, 5590, 6106, 6708, 7267, 8385, 9159, 9230, 10140, 11076, 11180, 11999, 12212, 13845, 14534, 15265, 16770, 18318, 18460, 21801, 23998, 27690, 29068, 30530, 33540, 35997, 36335, 36636, 39689, 43602, 45795, 47996, 55380, 59995, 61060, 71994, 72670, 79378, 87204, 91590, 109005, 119067, 119990, 143988, 145340, 158756, 179985, 183180, 198445, 218010, 238134, 239980, 359970, 396890, 436020, 476268, 515957, 595335, 719940, 793780, 1031914, 1190670, 1547871, 2063828, 2381340, 2579785, 3095742, 5159570, 6191484, 7739355, 10319140, 15478710, 30957420]

約数ペア:

[(1, 30957420), (2, 15478710), (3, 10319140), (4, 7739355), (5, 6191484), (6, 5159570), (10, 3095742), (12, 2579785), (13, 2381340), (15, 2063828), (20, 1547871), (26, 1190670), (30, 1031914), (39, 793780), (43, 719940), (52, 595335), (60, 515957), (65, 476268), (71, 436020), (78, 396890), (86, 359970), (129, 239980), (130, 238134), (142, 218010), (156, 198445), (169, 183180), (172, 179985), (195, 158756), (213, 145340), (215, 143988), (258, 119990), (260, 119067), (284, 109005), (338, 91590), (355, 87204), (390, 79378), (426, 72670), (430, 71994), (507, 61060), (516, 59995), (559, 55380), (645, 47996), (676, 45795), (710, 43602), (780, 39689), (845, 36636), (852, 36335), (860, 35997), (923, 33540), (1014, 30530), (1065, 29068), (1118, 27690), (1290, 23998), (1420, 21801), (1677, 18460), (1690, 18318), (1846, 16770), (2028, 15265), (2130, 14534), (2236, 13845), (2535, 12212), (2580, 11999), (2769, 11180), (2795, 11076), (3053, 10140), (3354, 9230), (3380, 9159), (3692, 8385), (4260, 7267), (4615, 6708), (5070, 6106), (5538, 5590)]