205496720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 598461696

約数和(自身を除く): 392964976

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 71, 80, 88, 92, 104, 110, 115, 121, 130, 142, 143, 176, 184, 208, 220, 230, 242, 253, 260, 284, 286, 299, 355, 368, 440, 460, 484, 506, 520, 568, 572, 598, 605, 710, 715, 781, 880, 920, 923, 968, 1012, 1040, 1136, 1144, 1196, 1210, 1265, 1420, 1430, 1495, 1562, 1573, 1633, 1840, 1846, 1936, 2024, 2288, 2392, 2420, 2530, 2783, 2840, 2860, 2990, 3124, 3146, 3266, 3289, 3692, 3905, 4048, 4615, 4784, 4840, 5060, 5566, 5680, 5720, 5980, 6248, 6292, 6532, 6578, 7384, 7810, 7865, 8165, 8591, 9230, 9680, 10120, 10153, 11132, 11440, 11960, 12496, 12584, 13064, 13156, 13915, 14768, 15620, 15730, 16330, 16445, 17182, 17963, 18460, 20240, 20306, 21229, 22264, 23920, 25168, 26128, 26312, 27830, 31240, 31460, 32660, 32890, 34364, 35926, 36179, 36920, 40612, 42458, 42955, 44528, 50765, 52624, 55660, 62480, 62920, 65320, 65780, 68728, 71852, 72358, 73840, 81224, 84916, 85910, 89815, 101530, 106145, 111320, 111683, 125840, 130640, 131560, 137456, 143704, 144716, 162448, 169832, 171820, 179630, 180895, 197593, 203060, 212290, 222640, 223366, 233519, 263120, 287408, 289432, 339664, 343640, 359260, 361790, 395186, 406120, 424580, 446732, 467038, 558415, 578864, 687280, 718520, 723580, 790372, 812240, 849160, 893464, 934076, 987965, 1116830, 1167595, 1437040, 1447160, 1580744, 1698320, 1786928, 1868152, 1975930, 2233660, 2335190, 2568709, 2894320, 3161488, 3736304, 3951860, 4467320, 4670380, 5137418, 7903720, 8934640, 9340760, 10274836, 12843545, 15807440, 18681520, 20549672, 25687090, 41099344, 51374180, 102748360, 205496720]

約数ペア:

[(1, 205496720), (2, 102748360), (4, 51374180), (5, 41099344), (8, 25687090), (10, 20549672), (11, 18681520), (13, 15807440), (16, 12843545), (20, 10274836), (22, 9340760), (23, 8934640), (26, 7903720), (40, 5137418), (44, 4670380), (46, 4467320), (52, 3951860), (55, 3736304), (65, 3161488), (71, 2894320), (80, 2568709), (88, 2335190), (92, 2233660), (104, 1975930), (110, 1868152), (115, 1786928), (121, 1698320), (130, 1580744), (142, 1447160), (143, 1437040), (176, 1167595), (184, 1116830), (208, 987965), (220, 934076), (230, 893464), (242, 849160), (253, 812240), (260, 790372), (284, 723580), (286, 718520), (299, 687280), (355, 578864), (368, 558415), (440, 467038), (460, 446732), (484, 424580), (506, 406120), (520, 395186), (568, 361790), (572, 359260), (598, 343640), (605, 339664), (710, 289432), (715, 287408), (781, 263120), (880, 233519), (920, 223366), (923, 222640), (968, 212290), (1012, 203060), (1040, 197593), (1136, 180895), (1144, 179630), (1196, 171820), (1210, 169832), (1265, 162448), (1420, 144716), (1430, 143704), (1495, 137456), (1562, 131560), (1573, 130640), (1633, 125840), (1840, 111683), (1846, 111320), (1936, 106145), (2024, 101530), (2288, 89815), (2392, 85910), (2420, 84916), (2530, 81224), (2783, 73840), (2840, 72358), (2860, 71852), (2990, 68728), (3124, 65780), (3146, 65320), (3266, 62920), (3289, 62480), (3692, 55660), (3905, 52624), (4048, 50765), (4615, 44528), (4784, 42955), (4840, 42458), (5060, 40612), (5566, 36920), (5680, 36179), (5720, 35926), (5980, 34364), (6248, 32890), (6292, 32660), (6532, 31460), (6578, 31240), (7384, 27830), (7810, 26312), (7865, 26128), (8165, 25168), (8591, 23920), (9230, 22264), (9680, 21229), (10120, 20306), (10153, 20240), (11132, 18460), (11440, 17963), (11960, 17182), (12496, 16445), (12584, 16330), (13064, 15730), (13156, 15620), (13915, 14768)]