217439820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2232

約数の個数: 144

約数和(自身を含む): 727158432

約数和(自身を除く): 509718612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2161, 2236, 2340, 2580, 2795, 3354, 3870, 4322, 5031, 5590, 6483, 6708, 7740, 8385, 8644, 10062, 10805, 11180, 12966, 16770, 19449, 20124, 21610, 25155, 25932, 28093, 32415, 33540, 38898, 43220, 50310, 56186, 64830, 77796, 84279, 92923, 97245, 100620, 112372, 129660, 140465, 168558, 185846, 194490, 252837, 278769, 280930, 337116, 371692, 388980, 421395, 464615, 505674, 557538, 561860, 836307, 842790, 929230, 1011348, 1115076, 1207999, 1264185, 1393845, 1672614, 1685580, 1858460, 2415998, 2528370, 2787690, 3345228, 3623997, 4181535, 4831996, 5056740, 5575380, 6039995, 7247994, 8363070, 10871991, 12079990, 14495988, 16726140, 18119985, 21743982, 24159980, 36239970, 43487964, 54359955, 72479940, 108719910, 217439820]

約数ペア:

[(1, 217439820), (2, 108719910), (3, 72479940), (4, 54359955), (5, 43487964), (6, 36239970), (9, 24159980), (10, 21743982), (12, 18119985), (13, 16726140), (15, 14495988), (18, 12079990), (20, 10871991), (26, 8363070), (30, 7247994), (36, 6039995), (39, 5575380), (43, 5056740), (45, 4831996), (52, 4181535), (60, 3623997), (65, 3345228), (78, 2787690), (86, 2528370), (90, 2415998), (117, 1858460), (129, 1685580), (130, 1672614), (156, 1393845), (172, 1264185), (180, 1207999), (195, 1115076), (215, 1011348), (234, 929230), (258, 842790), (260, 836307), (387, 561860), (390, 557538), (430, 505674), (468, 464615), (516, 421395), (559, 388980), (585, 371692), (645, 337116), (774, 280930), (780, 278769), (860, 252837), (1118, 194490), (1170, 185846), (1290, 168558), (1548, 140465), (1677, 129660), (1935, 112372), (2161, 100620), (2236, 97245), (2340, 92923), (2580, 84279), (2795, 77796), (3354, 64830), (3870, 56186), (4322, 50310), (5031, 43220), (5590, 38898), (6483, 33540), (6708, 32415), (7740, 28093), (8385, 25932), (8644, 25155), (10062, 21610), (10805, 20124), (11180, 19449), (12966, 16770)]