39920220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{977}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 121749264

約数和(自身を除く): 81829044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 977, 1135, 1362, 1954, 2043, 2270, 2724, 2931, 3405, 3908, 4086, 4540, 4885, 5862, 6810, 8172, 8793, 9770, 10215, 11724, 13620, 14655, 17586, 19540, 20430, 29310, 35172, 40860, 43965, 58620, 87930, 175860, 221779, 443558, 665337, 887116, 1108895, 1330674, 1996011, 2217790, 2661348, 3326685, 3992022, 4435580, 6653370, 7984044, 9980055, 13306740, 19960110, 39920220]

約数ペア:

[(1, 39920220), (2, 19960110), (3, 13306740), (4, 9980055), (5, 7984044), (6, 6653370), (9, 4435580), (10, 3992022), (12, 3326685), (15, 2661348), (18, 2217790), (20, 1996011), (30, 1330674), (36, 1108895), (45, 887116), (60, 665337), (90, 443558), (180, 221779), (227, 175860), (454, 87930), (681, 58620), (908, 43965), (977, 40860), (1135, 35172), (1362, 29310), (1954, 20430), (2043, 19540), (2270, 17586), (2724, 14655), (2931, 13620), (3405, 11724), (3908, 10215), (4086, 9770), (4540, 8793), (4885, 8172), (5862, 6810)]