51757740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{683}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 157601808

約数和(自身を除く): 105844068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 683, 842, 1263, 1366, 1684, 2049, 2105, 2526, 2732, 3415, 3789, 4098, 4210, 5052, 6147, 6315, 6830, 7578, 8196, 8420, 10245, 12294, 12630, 13660, 15156, 18945, 20490, 24588, 25260, 30735, 37890, 40980, 61470, 75780, 122940, 287543, 575086, 862629, 1150172, 1437715, 1725258, 2587887, 2875430, 3450516, 4313145, 5175774, 5750860, 8626290, 10351548, 12939435, 17252580, 25878870, 51757740]

約数ペア:

[(1, 51757740), (2, 25878870), (3, 17252580), (4, 12939435), (5, 10351548), (6, 8626290), (9, 5750860), (10, 5175774), (12, 4313145), (15, 3450516), (18, 2875430), (20, 2587887), (30, 1725258), (36, 1437715), (45, 1150172), (60, 862629), (90, 575086), (180, 287543), (421, 122940), (683, 75780), (842, 61470), (1263, 40980), (1366, 37890), (1684, 30735), (2049, 25260), (2105, 24588), (2526, 20490), (2732, 18945), (3415, 15156), (3789, 13660), (4098, 12630), (4210, 12294), (5052, 10245), (6147, 8420), (6315, 8196), (6830, 7578)]