1561725540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{76781}}^1$

素因数の和:76909

約数の個数: 72

約数和(自身を含む): 4779218808

約数和(自身を除く): 3217493268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1695, 2034, 2260, 3390, 4068, 5085, 6780, 10170, 20340, 76781, 153562, 230343, 307124, 383905, 460686, 691029, 767810, 921372, 1151715, 1382058, 1535620, 2303430, 2764116, 3455145, 4606860, 6910290, 8676253, 13820580, 17352506, 26028759, 34705012, 43381265, 52057518, 78086277, 86762530, 104115036, 130143795, 156172554, 173525060, 260287590, 312345108, 390431385, 520575180, 780862770, 1561725540]

約数ペア:

[(1, 1561725540), (2, 780862770), (3, 520575180), (4, 390431385), (5, 312345108), (6, 260287590), (9, 173525060), (10, 156172554), (12, 130143795), (15, 104115036), (18, 86762530), (20, 78086277), (30, 52057518), (36, 43381265), (45, 34705012), (60, 26028759), (90, 17352506), (113, 13820580), (180, 8676253), (226, 6910290), (339, 4606860), (452, 3455145), (565, 2764116), (678, 2303430), (1017, 1535620), (1130, 1382058), (1356, 1151715), (1695, 921372), (2034, 767810), (2260, 691029), (3390, 460686), (4068, 383905), (5085, 307124), (6780, 230343), (10170, 153562), (20340, 76781)]