445770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 1290240

約数和(自身を除く): 844470

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 127, 130, 135, 195, 234, 254, 270, 351, 381, 390, 585, 635, 702, 762, 1143, 1170, 1270, 1651, 1755, 1905, 2286, 3302, 3429, 3510, 3810, 4953, 5715, 6858, 8255, 9906, 11430, 14859, 16510, 17145, 24765, 29718, 34290, 44577, 49530, 74295, 89154, 148590, 222885, 445770]

約数ペア:

[(1, 445770), (2, 222885), (3, 148590), (5, 89154), (6, 74295), (9, 49530), (10, 44577), (13, 34290), (15, 29718), (18, 24765), (26, 17145), (27, 16510), (30, 14859), (39, 11430), (45, 9906), (54, 8255), (65, 6858), (78, 5715), (90, 4953), (117, 3810), (127, 3510), (130, 3429), (135, 3302), (195, 2286), (234, 1905), (254, 1755), (270, 1651), (351, 1270), (381, 1170), (390, 1143), (585, 762), (635, 702)]