101561840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 251248800

約数和(自身を除く): 149686960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 545, 613, 760, 872, 1090, 1226, 1520, 1744, 2071, 2180, 2452, 3065, 4142, 4360, 4904, 6130, 8284, 8720, 9808, 10355, 11647, 12260, 16568, 20710, 23294, 24520, 33136, 41420, 46588, 49040, 58235, 66817, 82840, 93176, 116470, 133634, 165680, 186352, 232940, 267268, 334085, 465880, 534536, 668170, 931760, 1069072, 1269523, 1336340, 2539046, 2672680, 5078092, 5345360, 6347615, 10156184, 12695230, 20312368, 25390460, 50780920, 101561840]

約数ペア:

[(1, 101561840), (2, 50780920), (4, 25390460), (5, 20312368), (8, 12695230), (10, 10156184), (16, 6347615), (19, 5345360), (20, 5078092), (38, 2672680), (40, 2539046), (76, 1336340), (80, 1269523), (95, 1069072), (109, 931760), (152, 668170), (190, 534536), (218, 465880), (304, 334085), (380, 267268), (436, 232940), (545, 186352), (613, 165680), (760, 133634), (872, 116470), (1090, 93176), (1226, 82840), (1520, 66817), (1744, 58235), (2071, 49040), (2180, 46588), (2452, 41420), (3065, 33136), (4142, 24520), (4360, 23294), (4904, 20710), (6130, 16568), (8284, 12260), (8720, 11647), (9808, 10355)]