71553040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 181113408

約数和(自身を除く): 109560368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 643, 856, 1040, 1070, 1286, 1391, 1712, 2140, 2572, 2782, 3215, 4280, 5144, 5564, 6430, 6955, 8359, 8560, 10288, 11128, 12860, 13910, 16718, 22256, 25720, 27820, 33436, 41795, 51440, 55640, 66872, 68801, 83590, 111280, 133744, 137602, 167180, 275204, 334360, 344005, 550408, 668720, 688010, 894413, 1100816, 1376020, 1788826, 2752040, 3577652, 4472065, 5504080, 7155304, 8944130, 14310608, 17888260, 35776520, 71553040]

約数ペア:

[(1, 71553040), (2, 35776520), (4, 17888260), (5, 14310608), (8, 8944130), (10, 7155304), (13, 5504080), (16, 4472065), (20, 3577652), (26, 2752040), (40, 1788826), (52, 1376020), (65, 1100816), (80, 894413), (104, 688010), (107, 668720), (130, 550408), (208, 344005), (214, 334360), (260, 275204), (428, 167180), (520, 137602), (535, 133744), (643, 111280), (856, 83590), (1040, 68801), (1070, 66872), (1286, 55640), (1391, 51440), (1712, 41795), (2140, 33436), (2572, 27820), (2782, 25720), (3215, 22256), (4280, 16718), (5144, 13910), (5564, 12860), (6430, 11128), (6955, 10288), (8359, 8560)]