28977750

素因数分解:

$2^1\times 3^7\times 5^3\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 128

約数和(自身を含む): 82892160

約数和(自身を除く): 53914410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 53, 54, 75, 81, 90, 106, 125, 135, 150, 159, 162, 225, 243, 250, 265, 270, 318, 375, 405, 450, 477, 486, 530, 675, 729, 750, 795, 810, 954, 1125, 1215, 1325, 1350, 1431, 1458, 1590, 2025, 2187, 2250, 2385, 2430, 2650, 2862, 3375, 3645, 3975, 4050, 4293, 4374, 4770, 6075, 6625, 6750, 7155, 7290, 7950, 8586, 10125, 10935, 11925, 12150, 12879, 13250, 14310, 18225, 19875, 20250, 21465, 21870, 23850, 25758, 30375, 35775, 36450, 38637, 39750, 42930, 54675, 59625, 60750, 64395, 71550, 77274, 91125, 107325, 109350, 115911, 119250, 128790, 178875, 182250, 193185, 214650, 231822, 273375, 321975, 357750, 386370, 536625, 546750, 579555, 643950, 965925, 1073250, 1159110, 1609875, 1931850, 2897775, 3219750, 4829625, 5795550, 9659250, 14488875, 28977750]

約数ペア:

[(1, 28977750), (2, 14488875), (3, 9659250), (5, 5795550), (6, 4829625), (9, 3219750), (10, 2897775), (15, 1931850), (18, 1609875), (25, 1159110), (27, 1073250), (30, 965925), (45, 643950), (50, 579555), (53, 546750), (54, 536625), (75, 386370), (81, 357750), (90, 321975), (106, 273375), (125, 231822), (135, 214650), (150, 193185), (159, 182250), (162, 178875), (225, 128790), (243, 119250), (250, 115911), (265, 109350), (270, 107325), (318, 91125), (375, 77274), (405, 71550), (450, 64395), (477, 60750), (486, 59625), (530, 54675), (675, 42930), (729, 39750), (750, 38637), (795, 36450), (810, 35775), (954, 30375), (1125, 25758), (1215, 23850), (1325, 21870), (1350, 21465), (1431, 20250), (1458, 19875), (1590, 18225), (2025, 14310), (2187, 13250), (2250, 12879), (2385, 12150), (2430, 11925), (2650, 10935), (2862, 10125), (3375, 8586), (3645, 7950), (3975, 7290), (4050, 7155), (4293, 6750), (4374, 6625), (4770, 6075)]