61139280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{254747}}^1$

素因数の和:254763

約数の個数: 40

約数和(自身を含む): 189532512

約数和(自身を除く): 128393232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 254747, 509494, 764241, 1018988, 1273735, 1528482, 2037976, 2547470, 3056964, 3821205, 4075952, 5094940, 6113928, 7642410, 10189880, 12227856, 15284820, 20379760, 30569640, 61139280]

約数ペア:

[(1, 61139280), (2, 30569640), (3, 20379760), (4, 15284820), (5, 12227856), (6, 10189880), (8, 7642410), (10, 6113928), (12, 5094940), (15, 4075952), (16, 3821205), (20, 3056964), (24, 2547470), (30, 2037976), (40, 1528482), (48, 1273735), (60, 1018988), (80, 764241), (120, 509494), (240, 254747)]