204647560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 526901760

約数和(自身を除く): 322254200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 71, 92, 104, 115, 130, 142, 184, 230, 241, 260, 284, 299, 355, 460, 482, 520, 568, 598, 710, 920, 923, 964, 1196, 1205, 1420, 1495, 1633, 1846, 1928, 2392, 2410, 2840, 2990, 3133, 3266, 3692, 4615, 4820, 5543, 5980, 6266, 6532, 7384, 8165, 9230, 9640, 11086, 11960, 12532, 13064, 15665, 16330, 17111, 18460, 21229, 22172, 25064, 27715, 31330, 32660, 34222, 36920, 42458, 44344, 55430, 62660, 65320, 68444, 72059, 84916, 85555, 106145, 110860, 125320, 136888, 144118, 169832, 171110, 212290, 221720, 222443, 288236, 342220, 360295, 393553, 424580, 444886, 576472, 684440, 720590, 787106, 849160, 889772, 1112215, 1441180, 1574212, 1779544, 1967765, 2224430, 2882360, 3148424, 3935530, 4448860, 5116189, 7871060, 8897720, 10232378, 15742120, 20464756, 25580945, 40929512, 51161890, 102323780, 204647560]

約数ペア:

[(1, 204647560), (2, 102323780), (4, 51161890), (5, 40929512), (8, 25580945), (10, 20464756), (13, 15742120), (20, 10232378), (23, 8897720), (26, 7871060), (40, 5116189), (46, 4448860), (52, 3935530), (65, 3148424), (71, 2882360), (92, 2224430), (104, 1967765), (115, 1779544), (130, 1574212), (142, 1441180), (184, 1112215), (230, 889772), (241, 849160), (260, 787106), (284, 720590), (299, 684440), (355, 576472), (460, 444886), (482, 424580), (520, 393553), (568, 360295), (598, 342220), (710, 288236), (920, 222443), (923, 221720), (964, 212290), (1196, 171110), (1205, 169832), (1420, 144118), (1495, 136888), (1633, 125320), (1846, 110860), (1928, 106145), (2392, 85555), (2410, 84916), (2840, 72059), (2990, 68444), (3133, 65320), (3266, 62660), (3692, 55430), (4615, 44344), (4820, 42458), (5543, 36920), (5980, 34222), (6266, 32660), (6532, 31330), (7384, 27715), (8165, 25064), (9230, 22172), (9640, 21229), (11086, 18460), (11960, 17111), (12532, 16330), (13064, 15665)]