291228840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:896

約数の個数: 192

約数和(自身を含む): 1089878400

約数和(自身を除く): 798649560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 163, 168, 180, 210, 252, 280, 315, 326, 360, 420, 489, 504, 630, 652, 709, 815, 840, 978, 1141, 1260, 1304, 1418, 1467, 1630, 1956, 2127, 2282, 2445, 2520, 2836, 2934, 3260, 3423, 3545, 3912, 4254, 4564, 4890, 4963, 5672, 5705, 5868, 6381, 6520, 6846, 7090, 7335, 8508, 9128, 9780, 9926, 10269, 10635, 11410, 11736, 12762, 13692, 14180, 14670, 14889, 17016, 17115, 19560, 19852, 20538, 21270, 22820, 24815, 25524, 27384, 28360, 29340, 29778, 31905, 34230, 39704, 41076, 42540, 44667, 45640, 49630, 51048, 51345, 58680, 59556, 63810, 68460, 74445, 82152, 85080, 89334, 99260, 102690, 115567, 119112, 127620, 136920, 148890, 178668, 198520, 205380, 223335, 231134, 255240, 297780, 346701, 357336, 410760, 446670, 462268, 577835, 595560, 693402, 808969, 893340, 924536, 1040103, 1155670, 1386804, 1617938, 1733505, 1786680, 2080206, 2311340, 2426907, 2773608, 3235876, 3467010, 4044845, 4160412, 4622680, 4853814, 5200515, 6471752, 6934020, 7280721, 8089690, 8320824, 9707628, 10401030, 12134535, 13868040, 14561442, 16179380, 19415256, 20802060, 24269070, 29122884, 32358760, 36403605, 41604120, 48538140, 58245768, 72807210, 97076280, 145614420, 291228840]

約数ペア:

[(1, 291228840), (2, 145614420), (3, 97076280), (4, 72807210), (5, 58245768), (6, 48538140), (7, 41604120), (8, 36403605), (9, 32358760), (10, 29122884), (12, 24269070), (14, 20802060), (15, 19415256), (18, 16179380), (20, 14561442), (21, 13868040), (24, 12134535), (28, 10401030), (30, 9707628), (35, 8320824), (36, 8089690), (40, 7280721), (42, 6934020), (45, 6471752), (56, 5200515), (60, 4853814), (63, 4622680), (70, 4160412), (72, 4044845), (84, 3467010), (90, 3235876), (105, 2773608), (120, 2426907), (126, 2311340), (140, 2080206), (163, 1786680), (168, 1733505), (180, 1617938), (210, 1386804), (252, 1155670), (280, 1040103), (315, 924536), (326, 893340), (360, 808969), (420, 693402), (489, 595560), (504, 577835), (630, 462268), (652, 446670), (709, 410760), (815, 357336), (840, 346701), (978, 297780), (1141, 255240), (1260, 231134), (1304, 223335), (1418, 205380), (1467, 198520), (1630, 178668), (1956, 148890), (2127, 136920), (2282, 127620), (2445, 119112), (2520, 115567), (2836, 102690), (2934, 99260), (3260, 89334), (3423, 85080), (3545, 82152), (3912, 74445), (4254, 68460), (4564, 63810), (4890, 59556), (4963, 58680), (5672, 51345), (5705, 51048), (5868, 49630), (6381, 45640), (6520, 44667), (6846, 42540), (7090, 41076), (7335, 39704), (8508, 34230), (9128, 31905), (9780, 29778), (9926, 29340), (10269, 28360), (10635, 27384), (11410, 25524), (11736, 24815), (12762, 22820), (13692, 21270), (14180, 20538), (14670, 19852), (14889, 19560), (17016, 17115)]