72644760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{201791}}^1$

素因数の和:201808

約数の個数: 48

約数和(自身を含む): 236096640

約数和(自身を除く): 163451880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 201791, 403582, 605373, 807164, 1008955, 1210746, 1614328, 1816119, 2017910, 2421492, 3026865, 3632238, 4035820, 4842984, 6053730, 7264476, 8071640, 9080595, 12107460, 14528952, 18161190, 24214920, 36322380, 72644760]

約数ペア:

[(1, 72644760), (2, 36322380), (3, 24214920), (4, 18161190), (5, 14528952), (6, 12107460), (8, 9080595), (9, 8071640), (10, 7264476), (12, 6053730), (15, 4842984), (18, 4035820), (20, 3632238), (24, 3026865), (30, 2421492), (36, 2017910), (40, 1816119), (45, 1614328), (60, 1210746), (72, 1008955), (90, 807164), (120, 605373), (180, 403582), (360, 201791)]