78685320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 128

約数和(自身を含む): 271549440

約数和(自身を除く): 192864120

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, 84, 105, 120, 140, 168, 210, 280, 283, 331, 420, 566, 662, 840, 849, 993, 1132, 1324, 1415, 1655, 1698, 1981, 1986, 2264, 2317, 2648, 2830, 3310, 3396, 3962, 3972, 4245, 4634, 4965, 5660, 5943, 6620, 6792, 6951, 7924, 7944, 8490, 9268, 9905, 9930, 11320, 11585, 11886, 13240, 13902, 15848, 16980, 18536, 19810, 19860, 23170, 23772, 27804, 29715, 33960, 34755, 39620, 39720, 46340, 47544, 55608, 59430, 69510, 79240, 92680, 93673, 118860, 139020, 187346, 237720, 278040, 281019, 374692, 468365, 562038, 655711, 749384, 936730, 1124076, 1311422, 1405095, 1873460, 1967133, 2248152, 2622844, 2810190, 3278555, 3746920, 3934266, 5245688, 5620380, 6557110, 7868532, 9835665, 11240760, 13114220, 15737064, 19671330, 26228440, 39342660, 78685320]

約数ペア:

[(1, 78685320), (2, 39342660), (3, 26228440), (4, 19671330), (5, 15737064), (6, 13114220), (7, 11240760), (8, 9835665), (10, 7868532), (12, 6557110), (14, 5620380), (15, 5245688), (20, 3934266), (21, 3746920), (24, 3278555), (28, 2810190), (30, 2622844), (35, 2248152), (40, 1967133), (42, 1873460), (56, 1405095), (60, 1311422), (70, 1124076), (84, 936730), (105, 749384), (120, 655711), (140, 562038), (168, 468365), (210, 374692), (280, 281019), (283, 278040), (331, 237720), (420, 187346), (566, 139020), (662, 118860), (840, 93673), (849, 92680), (993, 79240), (1132, 69510), (1324, 59430), (1415, 55608), (1655, 47544), (1698, 46340), (1981, 39720), (1986, 39620), (2264, 34755), (2317, 33960), (2648, 29715), (2830, 27804), (3310, 23772), (3396, 23170), (3962, 19860), (3972, 19810), (4245, 18536), (4634, 16980), (4965, 15848), (5660, 13902), (5943, 13240), (6620, 11886), (6792, 11585), (6951, 11320), (7924, 9930), (7944, 9905), (8490, 9268)]