31306380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 101122560

約数和(自身を除く): 69816180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 210, 262, 393, 420, 524, 569, 655, 786, 917, 1138, 1310, 1572, 1707, 1834, 1965, 2276, 2620, 2751, 2845, 3414, 3668, 3930, 3983, 4585, 5502, 5690, 6828, 7860, 7966, 8535, 9170, 11004, 11380, 11949, 13755, 15932, 17070, 18340, 19915, 23898, 27510, 34140, 39830, 47796, 55020, 59745, 74539, 79660, 119490, 149078, 223617, 238980, 298156, 372695, 447234, 521773, 745390, 894468, 1043546, 1118085, 1490780, 1565319, 2087092, 2236170, 2608865, 3130638, 4472340, 5217730, 6261276, 7826595, 10435460, 15653190, 31306380]

約数ペア:

[(1, 31306380), (2, 15653190), (3, 10435460), (4, 7826595), (5, 6261276), (6, 5217730), (7, 4472340), (10, 3130638), (12, 2608865), (14, 2236170), (15, 2087092), (20, 1565319), (21, 1490780), (28, 1118085), (30, 1043546), (35, 894468), (42, 745390), (60, 521773), (70, 447234), (84, 372695), (105, 298156), (131, 238980), (140, 223617), (210, 149078), (262, 119490), (393, 79660), (420, 74539), (524, 59745), (569, 55020), (655, 47796), (786, 39830), (917, 34140), (1138, 27510), (1310, 23898), (1572, 19915), (1707, 18340), (1834, 17070), (1965, 15932), (2276, 13755), (2620, 11949), (2751, 11380), (2845, 11004), (3414, 9170), (3668, 8535), (3930, 7966), (3983, 7860), (4585, 6828), (5502, 5690)]