8640528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 24540096

約数和(自身を除く): 15899568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 183, 208, 227, 244, 312, 366, 454, 488, 624, 681, 732, 793, 908, 976, 1362, 1464, 1586, 1816, 2379, 2724, 2928, 2951, 3172, 3632, 4758, 5448, 5902, 6344, 8853, 9516, 10896, 11804, 12688, 13847, 17706, 19032, 23608, 27694, 35412, 38064, 41541, 47216, 55388, 70824, 83082, 110776, 141648, 166164, 180011, 221552, 332328, 360022, 540033, 664656, 720044, 1080066, 1440088, 2160132, 2880176, 4320264, 8640528]

約数ペア:

[(1, 8640528), (2, 4320264), (3, 2880176), (4, 2160132), (6, 1440088), (8, 1080066), (12, 720044), (13, 664656), (16, 540033), (24, 360022), (26, 332328), (39, 221552), (48, 180011), (52, 166164), (61, 141648), (78, 110776), (104, 83082), (122, 70824), (156, 55388), (183, 47216), (208, 41541), (227, 38064), (244, 35412), (312, 27694), (366, 23608), (454, 19032), (488, 17706), (624, 13847), (681, 12688), (732, 11804), (793, 10896), (908, 9516), (976, 8853), (1362, 6344), (1464, 5902), (1586, 5448), (1816, 4758), (2379, 3632), (2724, 3172), (2928, 2951)]