1561232556

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{370663}}^1$

素因数の和:370692

約数の個数: 60

約数和(自身を含む): 4395333712

約数和(自身を除く): 2834101156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 370663, 741326, 1111989, 1482652, 2223978, 3335967, 4447956, 4818619, 6671934, 9637238, 10007901, 13343868, 14455857, 19274476, 20015802, 28911714, 30023703, 40031604, 43367571, 57823428, 60047406, 86735142, 120094812, 130102713, 173470284, 260205426, 390308139, 520410852, 780616278, 1561232556]

約数ペア:

[(1, 1561232556), (2, 780616278), (3, 520410852), (4, 390308139), (6, 260205426), (9, 173470284), (12, 130102713), (13, 120094812), (18, 86735142), (26, 60047406), (27, 57823428), (36, 43367571), (39, 40031604), (52, 30023703), (54, 28911714), (78, 20015802), (81, 19274476), (108, 14455857), (117, 13343868), (156, 10007901), (162, 9637238), (234, 6671934), (324, 4818619), (351, 4447956), (468, 3335967), (702, 2223978), (1053, 1482652), (1404, 1111989), (2106, 741326), (4212, 370663)]