18911250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{41}}^2$

素因数の和:110

約数の個数: 90

約数和(自身を含む): 52480857

約数和(自身を除く): 33569607

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 41, 45, 50, 75, 82, 90, 123, 125, 150, 205, 225, 246, 250, 369, 375, 410, 450, 615, 625, 738, 750, 1025, 1125, 1230, 1250, 1681, 1845, 1875, 2050, 2250, 3075, 3362, 3690, 3750, 5043, 5125, 5625, 6150, 8405, 9225, 10086, 10250, 11250, 15129, 15375, 16810, 18450, 25215, 25625, 30258, 30750, 42025, 46125, 50430, 51250, 75645, 76875, 84050, 92250, 126075, 151290, 153750, 210125, 230625, 252150, 378225, 420250, 461250, 630375, 756450, 1050625, 1260750, 1891125, 2101250, 3151875, 3782250, 6303750, 9455625, 18911250]

約数ペア:

[(1, 18911250), (2, 9455625), (3, 6303750), (5, 3782250), (6, 3151875), (9, 2101250), (10, 1891125), (15, 1260750), (18, 1050625), (25, 756450), (30, 630375), (41, 461250), (45, 420250), (50, 378225), (75, 252150), (82, 230625), (90, 210125), (123, 153750), (125, 151290), (150, 126075), (205, 92250), (225, 84050), (246, 76875), (250, 75645), (369, 51250), (375, 50430), (410, 46125), (450, 42025), (615, 30750), (625, 30258), (738, 25625), (750, 25215), (1025, 18450), (1125, 16810), (1230, 15375), (1250, 15129), (1681, 11250), (1845, 10250), (1875, 10086), (2050, 9225), (2250, 8405), (3075, 6150), (3362, 5625), (3690, 5125), (3750, 5043)]