651394880

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 112

約数和(自身を含む): 1605320640

約数和(自身を除く): 953925760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 131, 160, 164, 205, 262, 320, 328, 379, 410, 524, 655, 656, 758, 820, 1048, 1310, 1312, 1516, 1640, 1895, 2096, 2620, 2624, 3032, 3280, 3790, 4192, 5240, 5371, 6064, 6560, 7580, 8384, 10480, 10742, 12128, 13120, 15160, 15539, 20960, 21484, 24256, 26855, 30320, 31078, 41920, 42968, 49649, 53710, 60640, 62156, 77695, 85936, 99298, 107420, 121280, 124312, 155390, 171872, 198596, 214840, 248245, 248624, 310780, 343744, 397192, 429680, 496490, 497248, 621560, 794384, 859360, 992980, 994496, 1243120, 1588768, 1718720, 1985960, 2035609, 2486240, 3177536, 3971920, 4071218, 4972480, 7943840, 8142436, 10178045, 15887680, 16284872, 20356090, 32569744, 40712180, 65139488, 81424360, 130278976, 162848720, 325697440, 651394880]

約数ペア:

[(1, 651394880), (2, 325697440), (4, 162848720), (5, 130278976), (8, 81424360), (10, 65139488), (16, 40712180), (20, 32569744), (32, 20356090), (40, 16284872), (41, 15887680), (64, 10178045), (80, 8142436), (82, 7943840), (131, 4972480), (160, 4071218), (164, 3971920), (205, 3177536), (262, 2486240), (320, 2035609), (328, 1985960), (379, 1718720), (410, 1588768), (524, 1243120), (655, 994496), (656, 992980), (758, 859360), (820, 794384), (1048, 621560), (1310, 497248), (1312, 496490), (1516, 429680), (1640, 397192), (1895, 343744), (2096, 310780), (2620, 248624), (2624, 248245), (3032, 214840), (3280, 198596), (3790, 171872), (4192, 155390), (5240, 124312), (5371, 121280), (6064, 107420), (6560, 99298), (7580, 85936), (8384, 77695), (10480, 62156), (10742, 60640), (12128, 53710), (13120, 49649), (15160, 42968), (15539, 41920), (20960, 31078), (21484, 30320), (24256, 26855)]