138415620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10631}}^1$

素因数の和:10681

約数の個数: 96

約数和(自身を含む): 457261056

約数和(自身を除く): 318845436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 10631, 13020, 21262, 31893, 42524, 53155, 63786, 74417, 106310, 127572, 148834, 159465, 212620, 223251, 297668, 318930, 329561, 372085, 446502, 637860, 659122, 744170, 893004, 988683, 1116255, 1318244, 1488340, 1647805, 1977366, 2232510, 2306927, 3295610, 3954732, 4465020, 4613854, 4943415, 6591220, 6920781, 9227708, 9886830, 11534635, 13841562, 19773660, 23069270, 27683124, 34603905, 46138540, 69207810, 138415620]

約数ペア:

[(1, 138415620), (2, 69207810), (3, 46138540), (4, 34603905), (5, 27683124), (6, 23069270), (7, 19773660), (10, 13841562), (12, 11534635), (14, 9886830), (15, 9227708), (20, 6920781), (21, 6591220), (28, 4943415), (30, 4613854), (31, 4465020), (35, 3954732), (42, 3295610), (60, 2306927), (62, 2232510), (70, 1977366), (84, 1647805), (93, 1488340), (105, 1318244), (124, 1116255), (140, 988683), (155, 893004), (186, 744170), (210, 659122), (217, 637860), (310, 446502), (372, 372085), (420, 329561), (434, 318930), (465, 297668), (620, 223251), (651, 212620), (868, 159465), (930, 148834), (1085, 127572), (1302, 106310), (1860, 74417), (2170, 63786), (2604, 53155), (3255, 42524), (4340, 31893), (6510, 21262), (10631, 13020)]