145720620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 460185264

約数和(自身を除く): 314464644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 293, 307, 324, 405, 540, 586, 614, 810, 879, 921, 1172, 1228, 1465, 1535, 1620, 1758, 1842, 2637, 2763, 2930, 3070, 3516, 3684, 4395, 4605, 5274, 5526, 5860, 6140, 7911, 8289, 8790, 9210, 10548, 11052, 13185, 13815, 15822, 16578, 17580, 18420, 23733, 24867, 26370, 27630, 31644, 33156, 39555, 41445, 47466, 49734, 52740, 55260, 79110, 82890, 89951, 94932, 99468, 118665, 124335, 158220, 165780, 179902, 237330, 248670, 269853, 359804, 449755, 474660, 497340, 539706, 809559, 899510, 1079412, 1349265, 1619118, 1799020, 2428677, 2698530, 3238236, 4047795, 4857354, 5397060, 7286031, 8095590, 9714708, 12143385, 14572062, 16191180, 24286770, 29144124, 36430155, 48573540, 72860310, 145720620]

約数ペア:

[(1, 145720620), (2, 72860310), (3, 48573540), (4, 36430155), (5, 29144124), (6, 24286770), (9, 16191180), (10, 14572062), (12, 12143385), (15, 9714708), (18, 8095590), (20, 7286031), (27, 5397060), (30, 4857354), (36, 4047795), (45, 3238236), (54, 2698530), (60, 2428677), (81, 1799020), (90, 1619118), (108, 1349265), (135, 1079412), (162, 899510), (180, 809559), (270, 539706), (293, 497340), (307, 474660), (324, 449755), (405, 359804), (540, 269853), (586, 248670), (614, 237330), (810, 179902), (879, 165780), (921, 158220), (1172, 124335), (1228, 118665), (1465, 99468), (1535, 94932), (1620, 89951), (1758, 82890), (1842, 79110), (2637, 55260), (2763, 52740), (2930, 49734), (3070, 47466), (3516, 41445), (3684, 39555), (4395, 33156), (4605, 31644), (5274, 27630), (5526, 26370), (5860, 24867), (6140, 23733), (7911, 18420), (8289, 17580), (8790, 16578), (9210, 15822), (10548, 13815), (11052, 13185)]