28721580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3049}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 80959200

約数和(自身を除く): 52237620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3049, 3140, 4710, 6098, 9147, 9420, 12196, 15245, 18294, 30490, 36588, 45735, 60980, 91470, 182940, 478693, 957386, 1436079, 1914772, 2393465, 2872158, 4786930, 5744316, 7180395, 9573860, 14360790, 28721580]

約数ペア:

[(1, 28721580), (2, 14360790), (3, 9573860), (4, 7180395), (5, 5744316), (6, 4786930), (10, 2872158), (12, 2393465), (15, 1914772), (20, 1436079), (30, 957386), (60, 478693), (157, 182940), (314, 91470), (471, 60980), (628, 45735), (785, 36588), (942, 30490), (1570, 18294), (1884, 15245), (2355, 12196), (3049, 9420), (3140, 9147), (4710, 6098)]