31387590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 88976160

約数和(自身を除く): 57588570

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 139, 193, 195, 234, 278, 386, 390, 417, 579, 585, 695, 834, 965, 1158, 1170, 1251, 1390, 1737, 1807, 1930, 2085, 2502, 2509, 2895, 3474, 3614, 4170, 5018, 5421, 5790, 6255, 7527, 8685, 9035, 10842, 12510, 12545, 15054, 16263, 17370, 18070, 22581, 25090, 26827, 27105, 32526, 37635, 45162, 53654, 54210, 75270, 80481, 81315, 112905, 134135, 160962, 162630, 225810, 241443, 268270, 348751, 402405, 482886, 697502, 804810, 1046253, 1207215, 1743755, 2092506, 2414430, 3138759, 3487510, 5231265, 6277518, 10462530, 15693795, 31387590]

約数ペア:

[(1, 31387590), (2, 15693795), (3, 10462530), (5, 6277518), (6, 5231265), (9, 3487510), (10, 3138759), (13, 2414430), (15, 2092506), (18, 1743755), (26, 1207215), (30, 1046253), (39, 804810), (45, 697502), (65, 482886), (78, 402405), (90, 348751), (117, 268270), (130, 241443), (139, 225810), (193, 162630), (195, 160962), (234, 134135), (278, 112905), (386, 81315), (390, 80481), (417, 75270), (579, 54210), (585, 53654), (695, 45162), (834, 37635), (965, 32526), (1158, 27105), (1170, 26827), (1251, 25090), (1390, 22581), (1737, 18070), (1807, 17370), (1930, 16263), (2085, 15054), (2502, 12545), (2509, 12510), (2895, 10842), (3474, 9035), (3614, 8685), (4170, 7527), (5018, 6255), (5421, 5790)]