491125860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5237}}^1$

素因数の和:5773

約数の個数: 72

約数和(自身を含む): 1492892856

約数和(自身を除く): 1001766996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 2084, 2605, 3126, 4689, 5210, 5237, 6252, 7815, 9378, 10420, 10474, 15630, 15711, 18756, 20948, 23445, 26185, 31260, 31422, 46890, 47133, 52370, 62844, 78555, 93780, 94266, 104740, 157110, 188532, 235665, 314220, 471330, 942660, 2728477, 5456954, 8185431, 10913908, 13642385, 16370862, 24556293, 27284770, 32741724, 40927155, 49112586, 54569540, 81854310, 98225172, 122781465, 163708620, 245562930, 491125860]

約数ペア:

[(1, 491125860), (2, 245562930), (3, 163708620), (4, 122781465), (5, 98225172), (6, 81854310), (9, 54569540), (10, 49112586), (12, 40927155), (15, 32741724), (18, 27284770), (20, 24556293), (30, 16370862), (36, 13642385), (45, 10913908), (60, 8185431), (90, 5456954), (180, 2728477), (521, 942660), (1042, 471330), (1563, 314220), (2084, 235665), (2605, 188532), (3126, 157110), (4689, 104740), (5210, 94266), (5237, 93780), (6252, 78555), (7815, 62844), (9378, 52370), (10420, 47133), (10474, 46890), (15630, 31422), (15711, 31260), (18756, 26185), (20948, 23445)]