689444820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{2141}}^1$

素因数の和:3945

約数の個数: 72

約数和(自身を含む): 2093462280

約数和(自身を除く): 1404017460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1789, 2141, 3578, 4282, 5367, 6423, 7156, 8564, 8945, 10705, 10734, 12846, 16101, 17890, 19269, 21410, 21468, 25692, 26835, 32115, 32202, 35780, 38538, 42820, 53670, 64230, 64404, 77076, 80505, 96345, 107340, 128460, 161010, 192690, 322020, 385380, 3830249, 7660498, 11490747, 15320996, 19151245, 22981494, 34472241, 38302490, 45962988, 57453735, 68944482, 76604980, 114907470, 137888964, 172361205, 229814940, 344722410, 689444820]

約数ペア:

[(1, 689444820), (2, 344722410), (3, 229814940), (4, 172361205), (5, 137888964), (6, 114907470), (9, 76604980), (10, 68944482), (12, 57453735), (15, 45962988), (18, 38302490), (20, 34472241), (30, 22981494), (36, 19151245), (45, 15320996), (60, 11490747), (90, 7660498), (180, 3830249), (1789, 385380), (2141, 322020), (3578, 192690), (4282, 161010), (5367, 128460), (6423, 107340), (7156, 96345), (8564, 80505), (8945, 77076), (10705, 64404), (10734, 64230), (12846, 53670), (16101, 42820), (17890, 38538), (19269, 35780), (21410, 32202), (21468, 32115), (25692, 26835)]