31857420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 103090176

約数和(自身を除く): 71232756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 751, 1010, 1212, 1414, 1502, 1515, 2020, 2121, 2253, 2828, 3004, 3030, 3535, 3755, 4242, 4506, 5257, 6060, 7070, 7510, 8484, 9012, 10514, 10605, 11265, 14140, 15020, 15771, 21028, 21210, 22530, 26285, 31542, 42420, 45060, 52570, 63084, 75851, 78855, 105140, 151702, 157710, 227553, 303404, 315420, 379255, 455106, 530957, 758510, 910212, 1061914, 1137765, 1517020, 1592871, 2123828, 2275530, 2654785, 3185742, 4551060, 5309570, 6371484, 7964355, 10619140, 15928710, 31857420]

約数ペア:

[(1, 31857420), (2, 15928710), (3, 10619140), (4, 7964355), (5, 6371484), (6, 5309570), (7, 4551060), (10, 3185742), (12, 2654785), (14, 2275530), (15, 2123828), (20, 1592871), (21, 1517020), (28, 1137765), (30, 1061914), (35, 910212), (42, 758510), (60, 530957), (70, 455106), (84, 379255), (101, 315420), (105, 303404), (140, 227553), (202, 157710), (210, 151702), (303, 105140), (404, 78855), (420, 75851), (505, 63084), (606, 52570), (707, 45060), (751, 42420), (1010, 31542), (1212, 26285), (1414, 22530), (1502, 21210), (1515, 21028), (2020, 15771), (2121, 15020), (2253, 14140), (2828, 11265), (3004, 10605), (3030, 10514), (3535, 9012), (3755, 8484), (4242, 7510), (4506, 7070), (5257, 6060)]