320197920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:667

約数の個数: 192

約数和(自身を含む): 1160490240

約数和(自身を除く): 840292320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 233, 240, 280, 336, 409, 420, 466, 480, 560, 672, 699, 818, 840, 932, 1120, 1165, 1227, 1398, 1631, 1636, 1680, 1864, 2045, 2330, 2454, 2796, 2863, 3262, 3272, 3360, 3495, 3728, 4090, 4660, 4893, 4908, 5592, 5726, 6135, 6524, 6544, 6990, 7456, 8155, 8180, 8589, 9320, 9786, 9816, 11184, 11452, 12270, 13048, 13088, 13980, 14315, 16310, 16360, 17178, 18640, 19572, 19632, 22368, 22904, 24465, 24540, 26096, 27960, 28630, 32620, 32720, 34356, 37280, 39144, 39264, 42945, 45808, 48930, 49080, 52192, 55920, 57260, 65240, 65440, 68712, 78288, 85890, 91616, 95297, 97860, 98160, 111840, 114520, 130480, 137424, 156576, 171780, 190594, 195720, 196320, 229040, 260960, 274848, 285891, 343560, 381188, 391440, 458080, 476485, 571782, 667079, 687120, 762376, 782880, 952970, 1143564, 1334158, 1374240, 1429455, 1524752, 1905940, 2001237, 2287128, 2668316, 2858910, 3049504, 3335395, 3811880, 4002474, 4574256, 5336632, 5717820, 6670790, 7623760, 8004948, 9148512, 10006185, 10673264, 11435640, 13341580, 15247520, 16009896, 20012370, 21346528, 22871280, 26683160, 32019792, 40024740, 45742560, 53366320, 64039584, 80049480, 106732640, 160098960, 320197920]

約数ペア:

[(1, 320197920), (2, 160098960), (3, 106732640), (4, 80049480), (5, 64039584), (6, 53366320), (7, 45742560), (8, 40024740), (10, 32019792), (12, 26683160), (14, 22871280), (15, 21346528), (16, 20012370), (20, 16009896), (21, 15247520), (24, 13341580), (28, 11435640), (30, 10673264), (32, 10006185), (35, 9148512), (40, 8004948), (42, 7623760), (48, 6670790), (56, 5717820), (60, 5336632), (70, 4574256), (80, 4002474), (84, 3811880), (96, 3335395), (105, 3049504), (112, 2858910), (120, 2668316), (140, 2287128), (160, 2001237), (168, 1905940), (210, 1524752), (224, 1429455), (233, 1374240), (240, 1334158), (280, 1143564), (336, 952970), (409, 782880), (420, 762376), (466, 687120), (480, 667079), (560, 571782), (672, 476485), (699, 458080), (818, 391440), (840, 381188), (932, 343560), (1120, 285891), (1165, 274848), (1227, 260960), (1398, 229040), (1631, 196320), (1636, 195720), (1680, 190594), (1864, 171780), (2045, 156576), (2330, 137424), (2454, 130480), (2796, 114520), (2863, 111840), (3262, 98160), (3272, 97860), (3360, 95297), (3495, 91616), (3728, 85890), (4090, 78288), (4660, 68712), (4893, 65440), (4908, 65240), (5592, 57260), (5726, 55920), (6135, 52192), (6524, 49080), (6544, 48930), (6990, 45808), (7456, 42945), (8155, 39264), (8180, 39144), (8589, 37280), (9320, 34356), (9786, 32720), (9816, 32620), (11184, 28630), (11452, 27960), (12270, 26096), (13048, 24540), (13088, 24465), (13980, 22904), (14315, 22368), (16310, 19632), (16360, 19572), (17178, 18640)]