7355920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 20123712

約数和(自身を除く): 12767792

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 643, 715, 880, 1040, 1144, 1286, 1430, 2288, 2572, 2860, 3215, 5144, 5720, 6430, 7073, 8359, 10288, 11440, 12860, 14146, 16718, 25720, 28292, 33436, 35365, 41795, 51440, 56584, 66872, 70730, 83590, 91949, 113168, 133744, 141460, 167180, 183898, 282920, 334360, 367796, 459745, 565840, 668720, 735592, 919490, 1471184, 1838980, 3677960, 7355920]

約数ペア:

[(1, 7355920), (2, 3677960), (4, 1838980), (5, 1471184), (8, 919490), (10, 735592), (11, 668720), (13, 565840), (16, 459745), (20, 367796), (22, 334360), (26, 282920), (40, 183898), (44, 167180), (52, 141460), (55, 133744), (65, 113168), (80, 91949), (88, 83590), (104, 70730), (110, 66872), (130, 56584), (143, 51440), (176, 41795), (208, 35365), (220, 33436), (260, 28292), (286, 25720), (440, 16718), (520, 14146), (572, 12860), (643, 11440), (715, 10288), (880, 8359), (1040, 7073), (1144, 6430), (1286, 5720), (1430, 5144), (2288, 3215), (2572, 2860)]