31402020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 95735808

約数和(自身を除く): 64333788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 195, 254, 260, 317, 381, 390, 508, 634, 635, 762, 780, 951, 1268, 1270, 1524, 1585, 1651, 1902, 1905, 2540, 3170, 3302, 3804, 3810, 4121, 4755, 4953, 6340, 6604, 7620, 8242, 8255, 9510, 9906, 12363, 16484, 16510, 19020, 19812, 20605, 24726, 24765, 33020, 40259, 41210, 49452, 49530, 61815, 80518, 82420, 99060, 120777, 123630, 161036, 201295, 241554, 247260, 402590, 483108, 523367, 603885, 805180, 1046734, 1207770, 1570101, 2093468, 2415540, 2616835, 3140202, 5233670, 6280404, 7850505, 10467340, 15701010, 31402020]

約数ペア:

[(1, 31402020), (2, 15701010), (3, 10467340), (4, 7850505), (5, 6280404), (6, 5233670), (10, 3140202), (12, 2616835), (13, 2415540), (15, 2093468), (20, 1570101), (26, 1207770), (30, 1046734), (39, 805180), (52, 603885), (60, 523367), (65, 483108), (78, 402590), (127, 247260), (130, 241554), (156, 201295), (195, 161036), (254, 123630), (260, 120777), (317, 99060), (381, 82420), (390, 80518), (508, 61815), (634, 49530), (635, 49452), (762, 41210), (780, 40259), (951, 33020), (1268, 24765), (1270, 24726), (1524, 20605), (1585, 19812), (1651, 19020), (1902, 16510), (1905, 16484), (2540, 12363), (3170, 9906), (3302, 9510), (3804, 8255), (3810, 8242), (4121, 7620), (4755, 6604), (4953, 6340)]