82780308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2239}}^1$

素因数の和:2341

約数の個数: 72

約数和(自身を含む): 228300800

約数和(自身を除く): 145520492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 711, 948, 1027, 1422, 2054, 2239, 2844, 3081, 4108, 4478, 6162, 6717, 8956, 9243, 12324, 13434, 18486, 20151, 26868, 29107, 36972, 40302, 58214, 80604, 87321, 116428, 174642, 176881, 261963, 349284, 353762, 523926, 530643, 707524, 1047852, 1061286, 1591929, 2122572, 2299453, 3183858, 4598906, 6367716, 6898359, 9197812, 13796718, 20695077, 27593436, 41390154, 82780308]

約数ペア:

[(1, 82780308), (2, 41390154), (3, 27593436), (4, 20695077), (6, 13796718), (9, 9197812), (12, 6898359), (13, 6367716), (18, 4598906), (26, 3183858), (36, 2299453), (39, 2122572), (52, 1591929), (78, 1061286), (79, 1047852), (117, 707524), (156, 530643), (158, 523926), (234, 353762), (237, 349284), (316, 261963), (468, 176881), (474, 174642), (711, 116428), (948, 87321), (1027, 80604), (1422, 58214), (2054, 40302), (2239, 36972), (2844, 29107), (3081, 26868), (4108, 20151), (4478, 18486), (6162, 13434), (6717, 12324), (8956, 9243)]