20100151920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{347513}}^1$

素因数の和:347770

約数の個数: 80

約数和(自身を含む): 62569200672

約数和(自身を除く): 42469048752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2892, 3615, 3856, 4820, 5784, 7230, 9640, 11568, 14460, 19280, 28920, 57840, 347513, 695026, 1042539, 1390052, 1737565, 2085078, 2780104, 3475130, 4170156, 5212695, 5560208, 6950260, 8340312, 10425390, 13900520, 16680624, 20850780, 27801040, 41701560, 83403120, 83750633, 167501266, 251251899, 335002532, 418753165, 502503798, 670005064, 837506330, 1005007596, 1256259495, 1340010128, 1675012660, 2010015192, 2512518990, 3350025320, 4020030384, 5025037980, 6700050640, 10050075960, 20100151920]

約数ペア:

[(1, 20100151920), (2, 10050075960), (3, 6700050640), (4, 5025037980), (5, 4020030384), (6, 3350025320), (8, 2512518990), (10, 2010015192), (12, 1675012660), (15, 1340010128), (16, 1256259495), (20, 1005007596), (24, 837506330), (30, 670005064), (40, 502503798), (48, 418753165), (60, 335002532), (80, 251251899), (120, 167501266), (240, 83750633), (241, 83403120), (482, 41701560), (723, 27801040), (964, 20850780), (1205, 16680624), (1446, 13900520), (1928, 10425390), (2410, 8340312), (2892, 6950260), (3615, 5560208), (3856, 5212695), (4820, 4170156), (5784, 3475130), (7230, 2780104), (9640, 2085078), (11568, 1737565), (14460, 1390052), (19280, 1042539), (28920, 695026), (57840, 347513)]