678510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{359}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 2073600

約数和(自身を除く): 1395090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 359, 378, 630, 718, 945, 1077, 1795, 1890, 2154, 2513, 3231, 3590, 5026, 5385, 6462, 7539, 9693, 10770, 12565, 15078, 16155, 19386, 22617, 25130, 32310, 37695, 45234, 48465, 67851, 75390, 96930, 113085, 135702, 226170, 339255, 678510]

約数ペア:

[(1, 678510), (2, 339255), (3, 226170), (5, 135702), (6, 113085), (7, 96930), (9, 75390), (10, 67851), (14, 48465), (15, 45234), (18, 37695), (21, 32310), (27, 25130), (30, 22617), (35, 19386), (42, 16155), (45, 15078), (54, 12565), (63, 10770), (70, 9693), (90, 7539), (105, 6462), (126, 5385), (135, 5026), (189, 3590), (210, 3231), (270, 2513), (315, 2154), (359, 1890), (378, 1795), (630, 1077), (718, 945)]