256971040

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 625178736

約数和(自身を除く): 368207696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 113, 122, 160, 226, 233, 244, 305, 452, 466, 488, 565, 610, 904, 932, 976, 1130, 1165, 1220, 1808, 1864, 1952, 2260, 2330, 2440, 3616, 3728, 4520, 4660, 4880, 6893, 7456, 9040, 9320, 9760, 13786, 14213, 18080, 18640, 26329, 27572, 28426, 34465, 37280, 52658, 55144, 56852, 68930, 71065, 105316, 110288, 113704, 131645, 137860, 142130, 210632, 220576, 227408, 263290, 275720, 284260, 421264, 454816, 526580, 551440, 568520, 842528, 1053160, 1102880, 1137040, 1606069, 2106320, 2274080, 3212138, 4212640, 6424276, 8030345, 12848552, 16060690, 25697104, 32121380, 51394208, 64242760, 128485520, 256971040]

約数ペア:

[(1, 256971040), (2, 128485520), (4, 64242760), (5, 51394208), (8, 32121380), (10, 25697104), (16, 16060690), (20, 12848552), (32, 8030345), (40, 6424276), (61, 4212640), (80, 3212138), (113, 2274080), (122, 2106320), (160, 1606069), (226, 1137040), (233, 1102880), (244, 1053160), (305, 842528), (452, 568520), (466, 551440), (488, 526580), (565, 454816), (610, 421264), (904, 284260), (932, 275720), (976, 263290), (1130, 227408), (1165, 220576), (1220, 210632), (1808, 142130), (1864, 137860), (1952, 131645), (2260, 113704), (2330, 110288), (2440, 105316), (3616, 71065), (3728, 68930), (4520, 56852), (4660, 55144), (4880, 52658), (6893, 37280), (7456, 34465), (9040, 28426), (9320, 27572), (9760, 26329), (13786, 18640), (14213, 18080)]