77430840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{645257}}^1$

素因数の和:645271

約数の個数: 32

約数和(自身を含む): 232292880

約数和(自身を除く): 154862040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 645257, 1290514, 1935771, 2581028, 3226285, 3871542, 5162056, 6452570, 7743084, 9678855, 12905140, 15486168, 19357710, 25810280, 38715420, 77430840]

約数ペア:

[(1, 77430840), (2, 38715420), (3, 25810280), (4, 19357710), (5, 15486168), (6, 12905140), (8, 9678855), (10, 7743084), (12, 6452570), (15, 5162056), (20, 3871542), (24, 3226285), (30, 2581028), (40, 1935771), (60, 1290514), (120, 645257)]