613920840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{393539}}^1$

素因数の和:393566

約数の個数: 64

約数和(自身を含む): 1983441600

約数和(自身を除く): 1369520760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 393539, 787078, 1180617, 1574156, 1967695, 2361234, 3148312, 3935390, 4722468, 5116007, 5903085, 7870780, 9444936, 10232014, 11806170, 15348021, 15741560, 20464028, 23612340, 25580035, 30696042, 40928056, 47224680, 51160070, 61392084, 76740105, 102320140, 122784168, 153480210, 204640280, 306960420, 613920840]

約数ペア:

[(1, 613920840), (2, 306960420), (3, 204640280), (4, 153480210), (5, 122784168), (6, 102320140), (8, 76740105), (10, 61392084), (12, 51160070), (13, 47224680), (15, 40928056), (20, 30696042), (24, 25580035), (26, 23612340), (30, 20464028), (39, 15741560), (40, 15348021), (52, 11806170), (60, 10232014), (65, 9444936), (78, 7870780), (104, 5903085), (120, 5116007), (130, 4722468), (156, 3935390), (195, 3148312), (260, 2361234), (312, 1967695), (390, 1574156), (520, 1180617), (780, 787078), (1560, 393539)]