649018980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{133543}}^1$

素因数の和:133567

約数の個数: 72

約数和(自身を含む): 2041620672

約数和(自身を除く): 1392601692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 133543, 267086, 400629, 534172, 667715, 801258, 1201887, 1335430, 1602516, 2003145, 2403774, 2670860, 3605661, 4006290, 4807548, 6009435, 7211322, 8012580, 10816983, 12018870, 14422644, 18028305, 21633966, 24037740, 32450949, 36056610, 43267932, 54084915, 64901898, 72113220, 108169830, 129803796, 162254745, 216339660, 324509490, 649018980]

約数ペア:

[(1, 649018980), (2, 324509490), (3, 216339660), (4, 162254745), (5, 129803796), (6, 108169830), (9, 72113220), (10, 64901898), (12, 54084915), (15, 43267932), (18, 36056610), (20, 32450949), (27, 24037740), (30, 21633966), (36, 18028305), (45, 14422644), (54, 12018870), (60, 10816983), (81, 8012580), (90, 7211322), (108, 6009435), (135, 4807548), (162, 4006290), (180, 3605661), (243, 2670860), (270, 2403774), (324, 2003145), (405, 1602516), (486, 1335430), (540, 1201887), (810, 801258), (972, 667715), (1215, 534172), (1620, 400629), (2430, 267086), (4860, 133543)]