42910980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1529

約数の個数: 96

約数和(自身を含む): 139345920

約数和(自身を除く): 96434940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1439, 1491, 1988, 2130, 2485, 2878, 2982, 4260, 4317, 4970, 5756, 5964, 7195, 7455, 8634, 9940, 10073, 14390, 14910, 17268, 20146, 21585, 28780, 29820, 30219, 40292, 43170, 50365, 60438, 86340, 100730, 102169, 120876, 151095, 201460, 204338, 302190, 306507, 408676, 510845, 604380, 613014, 715183, 1021690, 1226028, 1430366, 1532535, 2043380, 2145549, 2860732, 3065070, 3575915, 4291098, 6130140, 7151830, 8582196, 10727745, 14303660, 21455490, 42910980]

約数ペア:

[(1, 42910980), (2, 21455490), (3, 14303660), (4, 10727745), (5, 8582196), (6, 7151830), (7, 6130140), (10, 4291098), (12, 3575915), (14, 3065070), (15, 2860732), (20, 2145549), (21, 2043380), (28, 1532535), (30, 1430366), (35, 1226028), (42, 1021690), (60, 715183), (70, 613014), (71, 604380), (84, 510845), (105, 408676), (140, 306507), (142, 302190), (210, 204338), (213, 201460), (284, 151095), (355, 120876), (420, 102169), (426, 100730), (497, 86340), (710, 60438), (852, 50365), (994, 43170), (1065, 40292), (1420, 30219), (1439, 29820), (1491, 28780), (1988, 21585), (2130, 20146), (2485, 17268), (2878, 14910), (2982, 14390), (4260, 10073), (4317, 9940), (4970, 8634), (5756, 7455), (5964, 7195)]