156726640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1171}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 418544640

約数和(自身を除く): 261818000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 1171, 1195, 1673, 1912, 2342, 2390, 3346, 3824, 4684, 4780, 5855, 6692, 8197, 8365, 9368, 9560, 11710, 13384, 16394, 16730, 18736, 19120, 23420, 26768, 32788, 33460, 40985, 46840, 65576, 66920, 81970, 93680, 131152, 133840, 163940, 279869, 327880, 559738, 655760, 1119476, 1399345, 1959083, 2238952, 2798690, 3918166, 4477904, 5597380, 7836332, 9795415, 11194760, 15672664, 19590830, 22389520, 31345328, 39181660, 78363320, 156726640]

約数ペア:

[(1, 156726640), (2, 78363320), (4, 39181660), (5, 31345328), (7, 22389520), (8, 19590830), (10, 15672664), (14, 11194760), (16, 9795415), (20, 7836332), (28, 5597380), (35, 4477904), (40, 3918166), (56, 2798690), (70, 2238952), (80, 1959083), (112, 1399345), (140, 1119476), (239, 655760), (280, 559738), (478, 327880), (560, 279869), (956, 163940), (1171, 133840), (1195, 131152), (1673, 93680), (1912, 81970), (2342, 66920), (2390, 65576), (3346, 46840), (3824, 40985), (4684, 33460), (4780, 32788), (5855, 26768), (6692, 23420), (8197, 19120), (8365, 18736), (9368, 16730), (9560, 16394), (11710, 13384)]