648154620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4451}}^1$

素因数の和:5275

約数の個数: 72

約数和(自身を含む): 1968941520

約数和(自身を除く): 1320786900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 809, 1618, 2427, 3236, 4045, 4451, 4854, 7281, 8090, 8902, 9708, 12135, 13353, 14562, 16180, 17804, 22255, 24270, 26706, 29124, 36405, 40059, 44510, 48540, 53412, 66765, 72810, 80118, 89020, 133530, 145620, 160236, 200295, 267060, 400590, 801180, 3600859, 7201718, 10802577, 14403436, 18004295, 21605154, 32407731, 36008590, 43210308, 54012885, 64815462, 72017180, 108025770, 129630924, 162038655, 216051540, 324077310, 648154620]

約数ペア:

[(1, 648154620), (2, 324077310), (3, 216051540), (4, 162038655), (5, 129630924), (6, 108025770), (9, 72017180), (10, 64815462), (12, 54012885), (15, 43210308), (18, 36008590), (20, 32407731), (30, 21605154), (36, 18004295), (45, 14403436), (60, 10802577), (90, 7201718), (180, 3600859), (809, 801180), (1618, 400590), (2427, 267060), (3236, 200295), (4045, 160236), (4451, 145620), (4854, 133530), (7281, 89020), (8090, 80118), (8902, 72810), (9708, 66765), (12135, 53412), (13353, 48540), (14562, 44510), (16180, 40059), (17804, 36405), (22255, 29124), (24270, 26706)]