71926740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 218935080

約数和(自身を除く): 147008340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 977, 1227, 1636, 1954, 2045, 2454, 2931, 3681, 3908, 4090, 4885, 4908, 5862, 6135, 7362, 8180, 8793, 9770, 11724, 12270, 14655, 14724, 17586, 18405, 19540, 24540, 29310, 35172, 36810, 43965, 58620, 73620, 87930, 175860, 399593, 799186, 1198779, 1598372, 1997965, 2397558, 3596337, 3995930, 4795116, 5993895, 7192674, 7991860, 11987790, 14385348, 17981685, 23975580, 35963370, 71926740]

約数ペア:

[(1, 71926740), (2, 35963370), (3, 23975580), (4, 17981685), (5, 14385348), (6, 11987790), (9, 7991860), (10, 7192674), (12, 5993895), (15, 4795116), (18, 3995930), (20, 3596337), (30, 2397558), (36, 1997965), (45, 1598372), (60, 1198779), (90, 799186), (180, 399593), (409, 175860), (818, 87930), (977, 73620), (1227, 58620), (1636, 43965), (1954, 36810), (2045, 35172), (2454, 29310), (2931, 24540), (3681, 19540), (3908, 18405), (4090, 17586), (4885, 14724), (4908, 14655), (5862, 12270), (6135, 11724), (7362, 9770), (8180, 8793)]