156749620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 363242880

約数和(自身を除く): 206493260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 53, 76, 86, 95, 106, 172, 181, 190, 212, 215, 265, 362, 380, 430, 530, 724, 817, 860, 905, 1007, 1060, 1634, 1810, 2014, 2279, 3268, 3439, 3620, 4028, 4085, 4558, 5035, 6878, 7783, 8170, 9116, 9593, 10070, 11395, 13756, 15566, 16340, 17195, 19186, 20140, 22790, 31132, 34390, 38372, 38915, 43301, 45580, 47965, 68780, 77830, 86602, 95930, 147877, 155660, 173204, 182267, 191860, 216505, 295754, 364534, 412499, 433010, 591508, 729068, 739385, 824998, 866020, 911335, 1478770, 1649996, 1822670, 2062495, 2957540, 3645340, 4124990, 7837481, 8249980, 15674962, 31349924, 39187405, 78374810, 156749620]

約数ペア:

[(1, 156749620), (2, 78374810), (4, 39187405), (5, 31349924), (10, 15674962), (19, 8249980), (20, 7837481), (38, 4124990), (43, 3645340), (53, 2957540), (76, 2062495), (86, 1822670), (95, 1649996), (106, 1478770), (172, 911335), (181, 866020), (190, 824998), (212, 739385), (215, 729068), (265, 591508), (362, 433010), (380, 412499), (430, 364534), (530, 295754), (724, 216505), (817, 191860), (860, 182267), (905, 173204), (1007, 155660), (1060, 147877), (1634, 95930), (1810, 86602), (2014, 77830), (2279, 68780), (3268, 47965), (3439, 45580), (3620, 43301), (4028, 38915), (4085, 38372), (4558, 34390), (5035, 31132), (6878, 22790), (7783, 20140), (8170, 19186), (9116, 17195), (9593, 16340), (10070, 15566), (11395, 13756)]