85821960

素因数分解:

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

素因数の和:1531

約数の個数: 128

約数和(自身を含む): 298598400

約数和(自身を除く): 212776440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1439, 1491, 1704, 1988, 2130, 2485, 2840, 2878, 2982, 3976, 4260, 4317, 4970, 5756, 5964, 7195, 7455, 8520, 8634, 9940, 10073, 11512, 11928, 14390, 14910, 17268, 19880, 20146, 21585, 28780, 29820, 30219, 34536, 40292, 43170, 50365, 57560, 59640, 60438, 80584, 86340, 100730, 102169, 120876, 151095, 172680, 201460, 204338, 241752, 302190, 306507, 402920, 408676, 510845, 604380, 613014, 715183, 817352, 1021690, 1208760, 1226028, 1430366, 1532535, 2043380, 2145549, 2452056, 2860732, 3065070, 3575915, 4086760, 4291098, 5721464, 6130140, 7151830, 8582196, 10727745, 12260280, 14303660, 17164392, 21455490, 28607320, 42910980, 85821960]

約数ペア:

[(1, 85821960), (2, 42910980), (3, 28607320), (4, 21455490), (5, 17164392), (6, 14303660), (7, 12260280), (8, 10727745), (10, 8582196), (12, 7151830), (14, 6130140), (15, 5721464), (20, 4291098), (21, 4086760), (24, 3575915), (28, 3065070), (30, 2860732), (35, 2452056), (40, 2145549), (42, 2043380), (56, 1532535), (60, 1430366), (70, 1226028), (71, 1208760), (84, 1021690), (105, 817352), (120, 715183), (140, 613014), (142, 604380), (168, 510845), (210, 408676), (213, 402920), (280, 306507), (284, 302190), (355, 241752), (420, 204338), (426, 201460), (497, 172680), (568, 151095), (710, 120876), (840, 102169), (852, 100730), (994, 86340), (1065, 80584), (1420, 60438), (1439, 59640), (1491, 57560), (1704, 50365), (1988, 43170), (2130, 40292), (2485, 34536), (2840, 30219), (2878, 29820), (2982, 28780), (3976, 21585), (4260, 20146), (4317, 19880), (4970, 17268), (5756, 14910), (5964, 14390), (7195, 11928), (7455, 11512), (8520, 10073), (8634, 9940)]