431398720

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 112

約数和(自身を含む): 1064581056

約数和(自身を除く): 633182336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 131, 160, 164, 205, 251, 262, 320, 328, 410, 502, 524, 655, 656, 820, 1004, 1048, 1255, 1310, 1312, 1640, 2008, 2096, 2510, 2620, 2624, 3280, 4016, 4192, 5020, 5240, 5371, 6560, 8032, 8384, 10040, 10291, 10480, 10742, 13120, 16064, 20080, 20582, 20960, 21484, 26855, 32881, 40160, 41164, 41920, 42968, 51455, 53710, 65762, 80320, 82328, 85936, 102910, 107420, 131524, 164405, 164656, 171872, 205820, 214840, 263048, 328810, 329312, 343744, 411640, 429680, 526096, 657620, 658624, 823280, 859360, 1052192, 1315240, 1348121, 1646560, 1718720, 2104384, 2630480, 2696242, 3293120, 5260960, 5392484, 6740605, 10521920, 10784968, 13481210, 21569936, 26962420, 43139872, 53924840, 86279744, 107849680, 215699360, 431398720]

約数ペア:

[(1, 431398720), (2, 215699360), (4, 107849680), (5, 86279744), (8, 53924840), (10, 43139872), (16, 26962420), (20, 21569936), (32, 13481210), (40, 10784968), (41, 10521920), (64, 6740605), (80, 5392484), (82, 5260960), (131, 3293120), (160, 2696242), (164, 2630480), (205, 2104384), (251, 1718720), (262, 1646560), (320, 1348121), (328, 1315240), (410, 1052192), (502, 859360), (524, 823280), (655, 658624), (656, 657620), (820, 526096), (1004, 429680), (1048, 411640), (1255, 343744), (1310, 329312), (1312, 328810), (1640, 263048), (2008, 214840), (2096, 205820), (2510, 171872), (2620, 164656), (2624, 164405), (3280, 131524), (4016, 107420), (4192, 102910), (5020, 85936), (5240, 82328), (5371, 80320), (6560, 65762), (8032, 53710), (8384, 51455), (10040, 42968), (10291, 41920), (10480, 41164), (10742, 40160), (13120, 32881), (16064, 26855), (20080, 21484), (20582, 20960)]