90804270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 226437120

約数和(自身を除く): 135632850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 251, 310, 389, 465, 502, 753, 778, 930, 1167, 1255, 1506, 1945, 2334, 2510, 3765, 3890, 5835, 7530, 7781, 11670, 12059, 15562, 23343, 24118, 36177, 38905, 46686, 60295, 72354, 77810, 97639, 116715, 120590, 180885, 195278, 233430, 292917, 361770, 488195, 585834, 976390, 1464585, 2929170, 3026809, 6053618, 9080427, 15134045, 18160854, 30268090, 45402135, 90804270]

約数ペア:

[(1, 90804270), (2, 45402135), (3, 30268090), (5, 18160854), (6, 15134045), (10, 9080427), (15, 6053618), (30, 3026809), (31, 2929170), (62, 1464585), (93, 976390), (155, 585834), (186, 488195), (251, 361770), (310, 292917), (389, 233430), (465, 195278), (502, 180885), (753, 120590), (778, 116715), (930, 97639), (1167, 77810), (1255, 72354), (1506, 60295), (1945, 46686), (2334, 38905), (2510, 36177), (3765, 24118), (3890, 23343), (5835, 15562), (7530, 12059), (7781, 11670)]