180160812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20261}}^1$

素因数の和:20303

約数の個数: 72

約数和(自身を含む): 516275760

約数和(自身を除く): 336114948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 20261, 40522, 60783, 81044, 121566, 182349, 243132, 263393, 364698, 384959, 526786, 729396, 769918, 790179, 1053572, 1154877, 1539836, 1580358, 2309754, 2370537, 3160716, 3464631, 4619508, 4741074, 5004467, 6929262, 9482148, 10008934, 13858524, 15013401, 20017868, 30026802, 45040203, 60053604, 90080406, 180160812]

約数ペア:

[(1, 180160812), (2, 90080406), (3, 60053604), (4, 45040203), (6, 30026802), (9, 20017868), (12, 15013401), (13, 13858524), (18, 10008934), (19, 9482148), (26, 6929262), (36, 5004467), (38, 4741074), (39, 4619508), (52, 3464631), (57, 3160716), (76, 2370537), (78, 2309754), (114, 1580358), (117, 1539836), (156, 1154877), (171, 1053572), (228, 790179), (234, 769918), (247, 729396), (342, 526786), (468, 384959), (494, 364698), (684, 263393), (741, 243132), (988, 182349), (1482, 121566), (2223, 81044), (2964, 60783), (4446, 40522), (8892, 20261)]