989555280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{589021}}^1$

素因数の和:589044

約数の個数: 80

約数和(自身を含む): 3505858944

約数和(自身を除く): 2516303664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 589021, 1178042, 1767063, 2356084, 2945105, 3534126, 4123147, 4712168, 5890210, 7068252, 8246294, 8835315, 9424336, 11780420, 12369441, 14136504, 16492588, 17670630, 20615735, 23560840, 24738882, 28273008, 32985176, 35341260, 41231470, 47121680, 49477764, 61847205, 65970352, 70682520, 82462940, 98955528, 123694410, 141365040, 164925880, 197911056, 247388820, 329851760, 494777640, 989555280]

約数ペア:

[(1, 989555280), (2, 494777640), (3, 329851760), (4, 247388820), (5, 197911056), (6, 164925880), (7, 141365040), (8, 123694410), (10, 98955528), (12, 82462940), (14, 70682520), (15, 65970352), (16, 61847205), (20, 49477764), (21, 47121680), (24, 41231470), (28, 35341260), (30, 32985176), (35, 28273008), (40, 24738882), (42, 23560840), (48, 20615735), (56, 17670630), (60, 16492588), (70, 14136504), (80, 12369441), (84, 11780420), (105, 9424336), (112, 8835315), (120, 8246294), (140, 7068252), (168, 5890210), (210, 4712168), (240, 4123147), (280, 3534126), (336, 2945105), (420, 2356084), (560, 1767063), (840, 1178042), (1680, 589021)]