18720646880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{134333}}^1$

素因数の和:134428

約数の個数: 96

約数和(自身を含む): 48340895904

約数和(自身を除く): 29620249024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 67, 80, 104, 130, 134, 160, 208, 260, 268, 335, 416, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2080, 2144, 2680, 3484, 4355, 5360, 6968, 8710, 10720, 13936, 17420, 27872, 34840, 69680, 134333, 139360, 268666, 537332, 671665, 1074664, 1343330, 1746329, 2149328, 2686660, 3492658, 4298656, 5373320, 6985316, 8731645, 9000311, 10746640, 13970632, 17463290, 18000622, 21493280, 27941264, 34926580, 36001244, 45001555, 55882528, 69853160, 72002488, 90003110, 117004043, 139706320, 144004976, 180006220, 234008086, 279412640, 288009952, 360012440, 468016172, 585020215, 720024880, 936032344, 1170040430, 1440049760, 1872064688, 2340080860, 3744129376, 4680161720, 9360323440, 18720646880]

約数ペア:

[(1, 18720646880), (2, 9360323440), (4, 4680161720), (5, 3744129376), (8, 2340080860), (10, 1872064688), (13, 1440049760), (16, 1170040430), (20, 936032344), (26, 720024880), (32, 585020215), (40, 468016172), (52, 360012440), (65, 288009952), (67, 279412640), (80, 234008086), (104, 180006220), (130, 144004976), (134, 139706320), (160, 117004043), (208, 90003110), (260, 72002488), (268, 69853160), (335, 55882528), (416, 45001555), (520, 36001244), (536, 34926580), (670, 27941264), (871, 21493280), (1040, 18000622), (1072, 17463290), (1340, 13970632), (1742, 10746640), (2080, 9000311), (2144, 8731645), (2680, 6985316), (3484, 5373320), (4355, 4298656), (5360, 3492658), (6968, 2686660), (8710, 2149328), (10720, 1746329), (13936, 1343330), (17420, 1074664), (27872, 671665), (34840, 537332), (69680, 268666), (134333, 139360)]