16681060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 39481848

約数和(自身を除く): 22800788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 113, 121, 122, 220, 226, 242, 244, 305, 452, 484, 565, 605, 610, 671, 1130, 1210, 1220, 1243, 1342, 2260, 2420, 2486, 2684, 3355, 4972, 6215, 6710, 6893, 7381, 12430, 13420, 13673, 13786, 14762, 24860, 27346, 27572, 29524, 34465, 36905, 54692, 68365, 68930, 73810, 75823, 136730, 137860, 147620, 151646, 273460, 303292, 379115, 758230, 834053, 1516460, 1668106, 3336212, 4170265, 8340530, 16681060]

約数ペア:

[(1, 16681060), (2, 8340530), (4, 4170265), (5, 3336212), (10, 1668106), (11, 1516460), (20, 834053), (22, 758230), (44, 379115), (55, 303292), (61, 273460), (110, 151646), (113, 147620), (121, 137860), (122, 136730), (220, 75823), (226, 73810), (242, 68930), (244, 68365), (305, 54692), (452, 36905), (484, 34465), (565, 29524), (605, 27572), (610, 27346), (671, 24860), (1130, 14762), (1210, 13786), (1220, 13673), (1243, 13420), (1342, 12430), (2260, 7381), (2420, 6893), (2486, 6710), (2684, 6215), (3355, 4972)]