312745440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13297}}^1$

素因数の和:13329

約数の個数: 144

約数和(自身を含む): 1146074832

約数和(自身を除く): 833329392

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 13297, 23520, 26594, 39891, 53188, 66485, 79782, 93079, 106376, 132970, 159564, 186158, 199455, 212752, 265940, 279237, 319128, 372316, 398910, 425504, 465395, 531880, 558474, 638256, 651553, 744632, 797820, 930790, 1063760, 1116948, 1276512, 1303106, 1396185, 1489264, 1595640, 1861580, 1954659, 2127520, 2233896, 2606212, 2792370, 2978528, 3191280, 3257765, 3723160, 3909318, 4467792, 5212424, 5584740, 6382560, 6515530, 7446320, 7818636, 8935584, 9773295, 10424848, 11169480, 13031060, 14892640, 15637272, 19546590, 20849696, 22338960, 26062120, 31274544, 39093180, 44677920, 52124240, 62549088, 78186360, 104248480, 156372720, 312745440]

約数ペア:

[(1, 312745440), (2, 156372720), (3, 104248480), (4, 78186360), (5, 62549088), (6, 52124240), (7, 44677920), (8, 39093180), (10, 31274544), (12, 26062120), (14, 22338960), (15, 20849696), (16, 19546590), (20, 15637272), (21, 14892640), (24, 13031060), (28, 11169480), (30, 10424848), (32, 9773295), (35, 8935584), (40, 7818636), (42, 7446320), (48, 6515530), (49, 6382560), (56, 5584740), (60, 5212424), (70, 4467792), (80, 3909318), (84, 3723160), (96, 3257765), (98, 3191280), (105, 2978528), (112, 2792370), (120, 2606212), (140, 2233896), (147, 2127520), (160, 1954659), (168, 1861580), (196, 1595640), (210, 1489264), (224, 1396185), (240, 1303106), (245, 1276512), (280, 1116948), (294, 1063760), (336, 930790), (392, 797820), (420, 744632), (480, 651553), (490, 638256), (560, 558474), (588, 531880), (672, 465395), (735, 425504), (784, 398910), (840, 372316), (980, 319128), (1120, 279237), (1176, 265940), (1470, 212752), (1568, 199455), (1680, 186158), (1960, 159564), (2352, 132970), (2940, 106376), (3360, 93079), (3920, 79782), (4704, 66485), (5880, 53188), (7840, 39891), (11760, 26594), (13297, 23520)]