405178020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{499}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 1330056000

約数和(自身を除く): 924877980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 347, 390, 468, 499, 585, 694, 780, 998, 1041, 1170, 1388, 1497, 1735, 1996, 2082, 2340, 2495, 2994, 3123, 3470, 4164, 4491, 4511, 4990, 5205, 5988, 6246, 6487, 6940, 7485, 8982, 9022, 9980, 10410, 12492, 12974, 13533, 14970, 15615, 17964, 18044, 19461, 20820, 22455, 22555, 25948, 27066, 29940, 31230, 32435, 38922, 40599, 44910, 45110, 54132, 58383, 62460, 64870, 67665, 77844, 81198, 89820, 90220, 97305, 116766, 129740, 135330, 162396, 173153, 194610, 202995, 233532, 270660, 291915, 346306, 389220, 405990, 519459, 583830, 692612, 811980, 865765, 1038918, 1167660, 1558377, 1731530, 2077836, 2250989, 2597295, 3116754, 3463060, 4501978, 5194590, 6233508, 6752967, 7791885, 9003956, 10389180, 11254945, 13505934, 15583770, 20258901, 22509890, 27011868, 31167540, 33764835, 40517802, 45019780, 67529670, 81035604, 101294505, 135059340, 202589010, 405178020]

約数ペア:

[(1, 405178020), (2, 202589010), (3, 135059340), (4, 101294505), (5, 81035604), (6, 67529670), (9, 45019780), (10, 40517802), (12, 33764835), (13, 31167540), (15, 27011868), (18, 22509890), (20, 20258901), (26, 15583770), (30, 13505934), (36, 11254945), (39, 10389180), (45, 9003956), (52, 7791885), (60, 6752967), (65, 6233508), (78, 5194590), (90, 4501978), (117, 3463060), (130, 3116754), (156, 2597295), (180, 2250989), (195, 2077836), (234, 1731530), (260, 1558377), (347, 1167660), (390, 1038918), (468, 865765), (499, 811980), (585, 692612), (694, 583830), (780, 519459), (998, 405990), (1041, 389220), (1170, 346306), (1388, 291915), (1497, 270660), (1735, 233532), (1996, 202995), (2082, 194610), (2340, 173153), (2495, 162396), (2994, 135330), (3123, 129740), (3470, 116766), (4164, 97305), (4491, 90220), (4511, 89820), (4990, 81198), (5205, 77844), (5988, 67665), (6246, 64870), (6487, 62460), (6940, 58383), (7485, 54132), (8982, 45110), (9022, 44910), (9980, 40599), (10410, 38922), (12492, 32435), (12974, 31230), (13533, 29940), (14970, 27066), (15615, 25948), (17964, 22555), (18044, 22455), (19461, 20820)]