128575160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 345945600

約数和(自身を除く): 217370440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 59, 70, 86, 118, 140, 172, 181, 215, 236, 280, 295, 301, 344, 362, 413, 430, 472, 590, 602, 724, 826, 860, 905, 1180, 1204, 1267, 1448, 1505, 1652, 1720, 1810, 2065, 2360, 2408, 2534, 2537, 3010, 3304, 3620, 4130, 5068, 5074, 6020, 6335, 7240, 7783, 8260, 10136, 10148, 10679, 12040, 12670, 12685, 15566, 16520, 17759, 20296, 21358, 25340, 25370, 31132, 35518, 38915, 42716, 50680, 50740, 53395, 54481, 62264, 71036, 74753, 77830, 85432, 88795, 101480, 106790, 108962, 142072, 149506, 155660, 177590, 213580, 217924, 272405, 299012, 311320, 355180, 373765, 427160, 435848, 459197, 544810, 598024, 710360, 747530, 918394, 1089620, 1495060, 1836788, 2179240, 2295985, 2990120, 3214379, 3673576, 4591970, 6428758, 9183940, 12857516, 16071895, 18367880, 25715032, 32143790, 64287580, 128575160]

約数ペア:

[(1, 128575160), (2, 64287580), (4, 32143790), (5, 25715032), (7, 18367880), (8, 16071895), (10, 12857516), (14, 9183940), (20, 6428758), (28, 4591970), (35, 3673576), (40, 3214379), (43, 2990120), (56, 2295985), (59, 2179240), (70, 1836788), (86, 1495060), (118, 1089620), (140, 918394), (172, 747530), (181, 710360), (215, 598024), (236, 544810), (280, 459197), (295, 435848), (301, 427160), (344, 373765), (362, 355180), (413, 311320), (430, 299012), (472, 272405), (590, 217924), (602, 213580), (724, 177590), (826, 155660), (860, 149506), (905, 142072), (1180, 108962), (1204, 106790), (1267, 101480), (1448, 88795), (1505, 85432), (1652, 77830), (1720, 74753), (1810, 71036), (2065, 62264), (2360, 54481), (2408, 53395), (2534, 50740), (2537, 50680), (3010, 42716), (3304, 38915), (3620, 35518), (4130, 31132), (5068, 25370), (5074, 25340), (6020, 21358), (6335, 20296), (7240, 17759), (7783, 16520), (8260, 15566), (10136, 12685), (10148, 12670), (10679, 12040)]