21274037680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53281}}^1$

素因数の和:53355

約数の個数: 160

約数和(自身を含む): 60889817088

約数和(自身を除く): 39615779408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 368, 434, 460, 496, 560, 620, 644, 713, 805, 868, 920, 1085, 1240, 1288, 1426, 1610, 1736, 1840, 2170, 2480, 2576, 2852, 3220, 3472, 3565, 4340, 4991, 5704, 6440, 7130, 8680, 9982, 11408, 12880, 14260, 17360, 19964, 24955, 28520, 39928, 49910, 53281, 57040, 79856, 99820, 106562, 199640, 213124, 266405, 372967, 399280, 426248, 532810, 745934, 852496, 1065620, 1225463, 1491868, 1651711, 1864835, 2131240, 2450926, 2983736, 3303422, 3729670, 4262480, 4901852, 5967472, 6127315, 6606844, 7459340, 8258555, 8578241, 9803704, 11561977, 12254630, 13213688, 14918680, 16517110, 17156482, 19607408, 23123954, 24509260, 26427376, 29837360, 33034220, 34312964, 37989353, 42891205, 46247908, 49018520, 57809885, 66068440, 68625928, 75978706, 85782410, 92495816, 98037040, 115619770, 132136880, 137251856, 151957412, 171564820, 184991632, 189946765, 231239540, 265925471, 303914824, 343129640, 379893530, 462479080, 531850942, 607829648, 686259280, 759787060, 924958160, 1063701884, 1329627355, 1519574120, 2127403768, 2659254710, 3039148240, 4254807536, 5318509420, 10637018840, 21274037680]

約数ペア:

[(1, 21274037680), (2, 10637018840), (4, 5318509420), (5, 4254807536), (7, 3039148240), (8, 2659254710), (10, 2127403768), (14, 1519574120), (16, 1329627355), (20, 1063701884), (23, 924958160), (28, 759787060), (31, 686259280), (35, 607829648), (40, 531850942), (46, 462479080), (56, 379893530), (62, 343129640), (70, 303914824), (80, 265925471), (92, 231239540), (112, 189946765), (115, 184991632), (124, 171564820), (140, 151957412), (155, 137251856), (161, 132136880), (184, 115619770), (217, 98037040), (230, 92495816), (248, 85782410), (280, 75978706), (310, 68625928), (322, 66068440), (368, 57809885), (434, 49018520), (460, 46247908), (496, 42891205), (560, 37989353), (620, 34312964), (644, 33034220), (713, 29837360), (805, 26427376), (868, 24509260), (920, 23123954), (1085, 19607408), (1240, 17156482), (1288, 16517110), (1426, 14918680), (1610, 13213688), (1736, 12254630), (1840, 11561977), (2170, 9803704), (2480, 8578241), (2576, 8258555), (2852, 7459340), (3220, 6606844), (3472, 6127315), (3565, 5967472), (4340, 4901852), (4991, 4262480), (5704, 3729670), (6440, 3303422), (7130, 2983736), (8680, 2450926), (9982, 2131240), (11408, 1864835), (12880, 1651711), (14260, 1491868), (17360, 1225463), (19964, 1065620), (24955, 852496), (28520, 745934), (39928, 532810), (49910, 426248), (53281, 399280), (57040, 372967), (79856, 266405), (99820, 213124), (106562, 199640)]