40456980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5227}}^1$

素因数の和:5285

約数の個数: 72

約数和(自身を含む): 125597472

約数和(自身を除く): 85140492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 5227, 7740, 10454, 15681, 20908, 26135, 31362, 47043, 52270, 62724, 78405, 94086, 104540, 156810, 188172, 224761, 235215, 313620, 449522, 470430, 674283, 899044, 940860, 1123805, 1348566, 2022849, 2247610, 2697132, 3371415, 4045698, 4495220, 6742830, 8091396, 10114245, 13485660, 20228490, 40456980]

約数ペア:

[(1, 40456980), (2, 20228490), (3, 13485660), (4, 10114245), (5, 8091396), (6, 6742830), (9, 4495220), (10, 4045698), (12, 3371415), (15, 2697132), (18, 2247610), (20, 2022849), (30, 1348566), (36, 1123805), (43, 940860), (45, 899044), (60, 674283), (86, 470430), (90, 449522), (129, 313620), (172, 235215), (180, 224761), (215, 188172), (258, 156810), (387, 104540), (430, 94086), (516, 78405), (645, 62724), (774, 52270), (860, 47043), (1290, 31362), (1548, 26135), (1935, 20908), (2580, 15681), (3870, 10454), (5227, 7740)]