258741840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:917

約数の個数: 160

約数和(自身を含む): 922012416

約数和(自身を除く): 663270576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 233, 240, 280, 336, 420, 466, 560, 661, 699, 840, 932, 1165, 1322, 1398, 1631, 1680, 1864, 1983, 2330, 2644, 2796, 3262, 3305, 3495, 3728, 3966, 4627, 4660, 4893, 5288, 5592, 6524, 6610, 6990, 7932, 8155, 9254, 9320, 9786, 9915, 10576, 11184, 13048, 13220, 13881, 13980, 15864, 16310, 18508, 18640, 19572, 19830, 23135, 24465, 26096, 26440, 27762, 27960, 31728, 32620, 37016, 39144, 39660, 46270, 48930, 52880, 55524, 55920, 65240, 69405, 74032, 78288, 79320, 92540, 97860, 111048, 130480, 138810, 154013, 158640, 185080, 195720, 222096, 277620, 308026, 370160, 391440, 462039, 555240, 616052, 770065, 924078, 1078091, 1110480, 1232104, 1540130, 1848156, 2156182, 2310195, 2464208, 3080260, 3234273, 3696312, 4312364, 4620390, 5390455, 6160520, 6468546, 7392624, 8624728, 9240780, 10780910, 12321040, 12937092, 16171365, 17249456, 18481560, 21561820, 25874184, 32342730, 36963120, 43123640, 51748368, 64685460, 86247280, 129370920, 258741840]

約数ペア:

[(1, 258741840), (2, 129370920), (3, 86247280), (4, 64685460), (5, 51748368), (6, 43123640), (7, 36963120), (8, 32342730), (10, 25874184), (12, 21561820), (14, 18481560), (15, 17249456), (16, 16171365), (20, 12937092), (21, 12321040), (24, 10780910), (28, 9240780), (30, 8624728), (35, 7392624), (40, 6468546), (42, 6160520), (48, 5390455), (56, 4620390), (60, 4312364), (70, 3696312), (80, 3234273), (84, 3080260), (105, 2464208), (112, 2310195), (120, 2156182), (140, 1848156), (168, 1540130), (210, 1232104), (233, 1110480), (240, 1078091), (280, 924078), (336, 770065), (420, 616052), (466, 555240), (560, 462039), (661, 391440), (699, 370160), (840, 308026), (932, 277620), (1165, 222096), (1322, 195720), (1398, 185080), (1631, 158640), (1680, 154013), (1864, 138810), (1983, 130480), (2330, 111048), (2644, 97860), (2796, 92540), (3262, 79320), (3305, 78288), (3495, 74032), (3728, 69405), (3966, 65240), (4627, 55920), (4660, 55524), (4893, 52880), (5288, 48930), (5592, 46270), (6524, 39660), (6610, 39144), (6990, 37016), (7932, 32620), (8155, 31728), (9254, 27960), (9320, 27762), (9786, 26440), (9915, 26096), (10576, 24465), (11184, 23135), (13048, 19830), (13220, 19572), (13881, 18640), (13980, 18508), (15864, 16310)]