40007790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2174

約数の個数: 64

約数和(自身を含む): 108241920

約数和(自身を除く): 68234130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2087, 2130, 3195, 3834, 4174, 6261, 6390, 9585, 10435, 12522, 18783, 19170, 20870, 31305, 37566, 56349, 62610, 93915, 112698, 148177, 187830, 281745, 296354, 444531, 563490, 740885, 889062, 1333593, 1481770, 2222655, 2667186, 4000779, 4445310, 6667965, 8001558, 13335930, 20003895, 40007790]

約数ペア:

[(1, 40007790), (2, 20003895), (3, 13335930), (5, 8001558), (6, 6667965), (9, 4445310), (10, 4000779), (15, 2667186), (18, 2222655), (27, 1481770), (30, 1333593), (45, 889062), (54, 740885), (71, 563490), (90, 444531), (135, 296354), (142, 281745), (213, 187830), (270, 148177), (355, 112698), (426, 93915), (639, 62610), (710, 56349), (1065, 37566), (1278, 31305), (1917, 20870), (2087, 19170), (2130, 18783), (3195, 12522), (3834, 10435), (4174, 9585), (6261, 6390)]