397478280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1811}}^1$

素因数の和:1915

約数の個数: 128

約数和(自身を含む): 1252454400

約数和(自身を除く): 854976120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 59, 60, 62, 93, 118, 120, 124, 155, 177, 186, 236, 248, 295, 310, 354, 372, 465, 472, 590, 620, 708, 744, 885, 930, 1180, 1240, 1416, 1770, 1811, 1829, 1860, 2360, 3540, 3622, 3658, 3720, 5433, 5487, 7080, 7244, 7316, 9055, 9145, 10866, 10974, 14488, 14632, 18110, 18290, 21732, 21948, 27165, 27435, 36220, 36580, 43464, 43896, 54330, 54870, 56141, 72440, 73160, 106849, 108660, 109740, 112282, 168423, 213698, 217320, 219480, 224564, 280705, 320547, 336846, 427396, 449128, 534245, 561410, 641094, 673692, 842115, 854792, 1068490, 1122820, 1282188, 1347384, 1602735, 1684230, 2136980, 2245640, 2564376, 3205470, 3312319, 3368460, 4273960, 6410940, 6624638, 6736920, 9936957, 12821880, 13249276, 16561595, 19873914, 26498552, 33123190, 39747828, 49684785, 66246380, 79495656, 99369570, 132492760, 198739140, 397478280]

約数ペア:

[(1, 397478280), (2, 198739140), (3, 132492760), (4, 99369570), (5, 79495656), (6, 66246380), (8, 49684785), (10, 39747828), (12, 33123190), (15, 26498552), (20, 19873914), (24, 16561595), (30, 13249276), (31, 12821880), (40, 9936957), (59, 6736920), (60, 6624638), (62, 6410940), (93, 4273960), (118, 3368460), (120, 3312319), (124, 3205470), (155, 2564376), (177, 2245640), (186, 2136980), (236, 1684230), (248, 1602735), (295, 1347384), (310, 1282188), (354, 1122820), (372, 1068490), (465, 854792), (472, 842115), (590, 673692), (620, 641094), (708, 561410), (744, 534245), (885, 449128), (930, 427396), (1180, 336846), (1240, 320547), (1416, 280705), (1770, 224564), (1811, 219480), (1829, 217320), (1860, 213698), (2360, 168423), (3540, 112282), (3622, 109740), (3658, 108660), (3720, 106849), (5433, 73160), (5487, 72440), (7080, 56141), (7244, 54870), (7316, 54330), (9055, 43896), (9145, 43464), (10866, 36580), (10974, 36220), (14488, 27435), (14632, 27165), (18110, 21948), (18290, 21732)]