290625720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:546

約数の個数: 256

約数和(自身を含む): 1104814080

約数和(自身を除く): 814188360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 71, 77, 84, 88, 105, 110, 120, 132, 140, 142, 154, 165, 168, 210, 213, 220, 231, 264, 280, 284, 308, 330, 355, 385, 420, 426, 440, 443, 462, 497, 568, 616, 660, 710, 770, 781, 840, 852, 886, 924, 994, 1065, 1155, 1320, 1329, 1420, 1491, 1540, 1562, 1704, 1772, 1848, 1988, 2130, 2215, 2310, 2343, 2485, 2658, 2840, 2982, 3080, 3101, 3124, 3544, 3905, 3976, 4260, 4430, 4620, 4686, 4873, 4970, 5316, 5467, 5964, 6202, 6248, 6645, 7455, 7810, 8520, 8860, 9240, 9303, 9372, 9746, 9940, 10632, 10934, 11715, 11928, 12404, 13290, 14619, 14910, 15505, 15620, 16401, 17720, 18606, 18744, 19492, 19880, 21868, 23430, 24365, 24808, 26580, 27335, 29238, 29820, 31010, 31240, 31453, 32802, 34111, 37212, 38984, 43736, 46515, 46860, 48730, 53160, 54670, 58476, 59640, 62020, 62906, 65604, 68222, 73095, 74424, 82005, 93030, 93720, 94359, 97460, 102333, 109340, 116952, 124040, 125812, 131208, 136444, 146190, 157265, 164010, 170555, 186060, 188718, 194920, 204666, 218680, 220171, 251624, 272888, 292380, 314530, 328020, 341110, 345983, 372120, 377436, 409332, 440342, 471795, 511665, 584760, 629060, 656040, 660513, 682220, 691966, 754872, 818664, 880684, 943590, 1023330, 1037949, 1100855, 1258120, 1321026, 1364440, 1383932, 1729915, 1761368, 1887180, 2046660, 2075898, 2201710, 2421881, 2642052, 2767864, 3302565, 3459830, 3774360, 4093320, 4151796, 4403420, 4843762, 5189745, 5284104, 6605130, 6919660, 7265643, 8303592, 8806840, 9687524, 10379490, 12109405, 13210260, 13839320, 14531286, 19375048, 20758980, 24218810, 26420520, 29062572, 36328215, 41517960, 48437620, 58125144, 72656430, 96875240, 145312860, 290625720]

約数ペア:

[(1, 290625720), (2, 145312860), (3, 96875240), (4, 72656430), (5, 58125144), (6, 48437620), (7, 41517960), (8, 36328215), (10, 29062572), (11, 26420520), (12, 24218810), (14, 20758980), (15, 19375048), (20, 14531286), (21, 13839320), (22, 13210260), (24, 12109405), (28, 10379490), (30, 9687524), (33, 8806840), (35, 8303592), (40, 7265643), (42, 6919660), (44, 6605130), (55, 5284104), (56, 5189745), (60, 4843762), (66, 4403420), (70, 4151796), (71, 4093320), (77, 3774360), (84, 3459830), (88, 3302565), (105, 2767864), (110, 2642052), (120, 2421881), (132, 2201710), (140, 2075898), (142, 2046660), (154, 1887180), (165, 1761368), (168, 1729915), (210, 1383932), (213, 1364440), (220, 1321026), (231, 1258120), (264, 1100855), (280, 1037949), (284, 1023330), (308, 943590), (330, 880684), (355, 818664), (385, 754872), (420, 691966), (426, 682220), (440, 660513), (443, 656040), (462, 629060), (497, 584760), (568, 511665), (616, 471795), (660, 440342), (710, 409332), (770, 377436), (781, 372120), (840, 345983), (852, 341110), (886, 328020), (924, 314530), (994, 292380), (1065, 272888), (1155, 251624), (1320, 220171), (1329, 218680), (1420, 204666), (1491, 194920), (1540, 188718), (1562, 186060), (1704, 170555), (1772, 164010), (1848, 157265), (1988, 146190), (2130, 136444), (2215, 131208), (2310, 125812), (2343, 124040), (2485, 116952), (2658, 109340), (2840, 102333), (2982, 97460), (3080, 94359), (3101, 93720), (3124, 93030), (3544, 82005), (3905, 74424), (3976, 73095), (4260, 68222), (4430, 65604), (4620, 62906), (4686, 62020), (4873, 59640), (4970, 58476), (5316, 54670), (5467, 53160), (5964, 48730), (6202, 46860), (6248, 46515), (6645, 43736), (7455, 38984), (7810, 37212), (8520, 34111), (8860, 32802), (9240, 31453), (9303, 31240), (9372, 31010), (9746, 29820), (9940, 29238), (10632, 27335), (10934, 26580), (11715, 24808), (11928, 24365), (12404, 23430), (13290, 21868), (14619, 19880), (14910, 19492), (15505, 18744), (15620, 18606), (16401, 17720)]