12639420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 41513472

約数和(自身を除く): 28874052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 71, 86, 90, 92, 115, 129, 138, 142, 172, 180, 207, 213, 215, 230, 258, 276, 284, 345, 355, 387, 414, 426, 430, 460, 516, 639, 645, 690, 710, 774, 828, 852, 860, 989, 1035, 1065, 1278, 1290, 1380, 1420, 1548, 1633, 1935, 1978, 2070, 2130, 2556, 2580, 2967, 3053, 3195, 3266, 3870, 3956, 4140, 4260, 4899, 4945, 5934, 6106, 6390, 6532, 7740, 8165, 8901, 9159, 9798, 9890, 11868, 12212, 12780, 14697, 14835, 15265, 16330, 17802, 18318, 19596, 19780, 24495, 27477, 29394, 29670, 30530, 32660, 35604, 36636, 44505, 45795, 48990, 54954, 58788, 59340, 61060, 70219, 73485, 89010, 91590, 97980, 109908, 137385, 140438, 146970, 178020, 183180, 210657, 274770, 280876, 293940, 351095, 421314, 549540, 631971, 702190, 842628, 1053285, 1263942, 1404380, 2106570, 2527884, 3159855, 4213140, 6319710, 12639420]

約数ペア:

[(1, 12639420), (2, 6319710), (3, 4213140), (4, 3159855), (5, 2527884), (6, 2106570), (9, 1404380), (10, 1263942), (12, 1053285), (15, 842628), (18, 702190), (20, 631971), (23, 549540), (30, 421314), (36, 351095), (43, 293940), (45, 280876), (46, 274770), (60, 210657), (69, 183180), (71, 178020), (86, 146970), (90, 140438), (92, 137385), (115, 109908), (129, 97980), (138, 91590), (142, 89010), (172, 73485), (180, 70219), (207, 61060), (213, 59340), (215, 58788), (230, 54954), (258, 48990), (276, 45795), (284, 44505), (345, 36636), (355, 35604), (387, 32660), (414, 30530), (426, 29670), (430, 29394), (460, 27477), (516, 24495), (639, 19780), (645, 19596), (690, 18318), (710, 17802), (774, 16330), (828, 15265), (852, 14835), (860, 14697), (989, 12780), (1035, 12212), (1065, 11868), (1278, 9890), (1290, 9798), (1380, 9159), (1420, 8901), (1548, 8165), (1633, 7740), (1935, 6532), (1978, 6390), (2070, 6106), (2130, 5934), (2556, 4945), (2580, 4899), (2967, 4260), (3053, 4140), (3195, 3956), (3266, 3870)]