80511075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 156202800

約数和(自身を除く): 75691725

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 225, 285, 333, 475, 509, 555, 703, 855, 925, 1425, 1527, 1665, 2109, 2545, 2775, 3515, 4275, 4581, 6327, 7635, 8325, 9671, 10545, 12725, 17575, 18833, 22905, 29013, 31635, 38175, 48355, 52725, 56499, 87039, 94165, 114525, 145065, 158175, 169497, 241775, 282495, 357827, 435195, 470825, 725325, 847485, 1073481, 1412475, 1789135, 2175975, 3220443, 4237425, 5367405, 8945675, 16102215, 26837025, 80511075]

約数ペア:

[(1, 80511075), (3, 26837025), (5, 16102215), (9, 8945675), (15, 5367405), (19, 4237425), (25, 3220443), (37, 2175975), (45, 1789135), (57, 1412475), (75, 1073481), (95, 847485), (111, 725325), (171, 470825), (185, 435195), (225, 357827), (285, 282495), (333, 241775), (475, 169497), (509, 158175), (555, 145065), (703, 114525), (855, 94165), (925, 87039), (1425, 56499), (1527, 52725), (1665, 48355), (2109, 38175), (2545, 31635), (2775, 29013), (3515, 22905), (4275, 18833), (4581, 17575), (6327, 12725), (7635, 10545), (8325, 9671)]