205023720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1223}}^1$

素因数の和:1375

約数の個数: 128

約数和(自身を含む): 676823040

約数和(自身を除く): 471799320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 127, 132, 165, 220, 254, 264, 330, 381, 440, 508, 635, 660, 762, 1016, 1223, 1270, 1320, 1397, 1524, 1905, 2446, 2540, 2794, 3048, 3669, 3810, 4191, 4892, 5080, 5588, 6115, 6985, 7338, 7620, 8382, 9784, 11176, 12230, 13453, 13970, 14676, 15240, 16764, 18345, 20955, 24460, 26906, 27940, 29352, 33528, 36690, 40359, 41910, 48920, 53812, 55880, 67265, 73380, 80718, 83820, 107624, 134530, 146760, 155321, 161436, 167640, 201795, 269060, 310642, 322872, 403590, 465963, 538120, 621284, 776605, 807180, 931926, 1242568, 1553210, 1614360, 1708531, 1863852, 2329815, 3106420, 3417062, 3727704, 4659630, 5125593, 6212840, 6834124, 8542655, 9319260, 10251186, 13668248, 17085310, 18638520, 20502372, 25627965, 34170620, 41004744, 51255930, 68341240, 102511860, 205023720]

約数ペア:

[(1, 205023720), (2, 102511860), (3, 68341240), (4, 51255930), (5, 41004744), (6, 34170620), (8, 25627965), (10, 20502372), (11, 18638520), (12, 17085310), (15, 13668248), (20, 10251186), (22, 9319260), (24, 8542655), (30, 6834124), (33, 6212840), (40, 5125593), (44, 4659630), (55, 3727704), (60, 3417062), (66, 3106420), (88, 2329815), (110, 1863852), (120, 1708531), (127, 1614360), (132, 1553210), (165, 1242568), (220, 931926), (254, 807180), (264, 776605), (330, 621284), (381, 538120), (440, 465963), (508, 403590), (635, 322872), (660, 310642), (762, 269060), (1016, 201795), (1223, 167640), (1270, 161436), (1320, 155321), (1397, 146760), (1524, 134530), (1905, 107624), (2446, 83820), (2540, 80718), (2794, 73380), (3048, 67265), (3669, 55880), (3810, 53812), (4191, 48920), (4892, 41910), (5080, 40359), (5588, 36690), (6115, 33528), (6985, 29352), (7338, 27940), (7620, 26906), (8382, 24460), (9784, 20955), (11176, 18345), (12230, 16764), (13453, 15240), (13970, 14676)]