20154900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 108

約数和(自身を含む): 61440512

約数和(自身を除く): 41285612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 127, 138, 150, 230, 254, 276, 300, 345, 381, 460, 508, 529, 575, 635, 690, 762, 1058, 1150, 1270, 1380, 1524, 1587, 1725, 1905, 2116, 2300, 2540, 2645, 2921, 3174, 3175, 3450, 3810, 5290, 5842, 6348, 6350, 6900, 7620, 7935, 8763, 9525, 10580, 11684, 12700, 13225, 14605, 15870, 17526, 19050, 26450, 29210, 31740, 35052, 38100, 39675, 43815, 52900, 58420, 67183, 73025, 79350, 87630, 134366, 146050, 158700, 175260, 201549, 219075, 268732, 292100, 335915, 403098, 438150, 671830, 806196, 876300, 1007745, 1343660, 1679575, 2015490, 3359150, 4030980, 5038725, 6718300, 10077450, 20154900]

約数ペア:

[(1, 20154900), (2, 10077450), (3, 6718300), (4, 5038725), (5, 4030980), (6, 3359150), (10, 2015490), (12, 1679575), (15, 1343660), (20, 1007745), (23, 876300), (25, 806196), (30, 671830), (46, 438150), (50, 403098), (60, 335915), (69, 292100), (75, 268732), (92, 219075), (100, 201549), (115, 175260), (127, 158700), (138, 146050), (150, 134366), (230, 87630), (254, 79350), (276, 73025), (300, 67183), (345, 58420), (381, 52900), (460, 43815), (508, 39675), (529, 38100), (575, 35052), (635, 31740), (690, 29210), (762, 26450), (1058, 19050), (1150, 17526), (1270, 15870), (1380, 14605), (1524, 13225), (1587, 12700), (1725, 11684), (1905, 10580), (2116, 9525), (2300, 8763), (2540, 7935), (2645, 7620), (2921, 6900), (3174, 6350), (3175, 6348), (3450, 5842), (3810, 5290)]