1306980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 4068792

約数和(自身を除く): 2761812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 137, 159, 180, 212, 265, 274, 318, 411, 477, 530, 548, 636, 685, 795, 822, 954, 1060, 1233, 1370, 1590, 1644, 1908, 2055, 2385, 2466, 2740, 3180, 4110, 4770, 4932, 6165, 7261, 8220, 9540, 12330, 14522, 21783, 24660, 29044, 36305, 43566, 65349, 72610, 87132, 108915, 130698, 145220, 217830, 261396, 326745, 435660, 653490, 1306980]

約数ペア:

[(1, 1306980), (2, 653490), (3, 435660), (4, 326745), (5, 261396), (6, 217830), (9, 145220), (10, 130698), (12, 108915), (15, 87132), (18, 72610), (20, 65349), (30, 43566), (36, 36305), (45, 29044), (53, 24660), (60, 21783), (90, 14522), (106, 12330), (137, 9540), (159, 8220), (180, 7261), (212, 6165), (265, 4932), (274, 4770), (318, 4110), (411, 3180), (477, 2740), (530, 2466), (548, 2385), (636, 2055), (685, 1908), (795, 1644), (822, 1590), (954, 1370), (1060, 1233)]