64910640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270461}}^1$

素因数の和:270477

約数の個数: 40

約数和(自身を含む): 201223728

約数和(自身を除く): 136313088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270461, 540922, 811383, 1081844, 1352305, 1622766, 2163688, 2704610, 3245532, 4056915, 4327376, 5409220, 6491064, 8113830, 10818440, 12982128, 16227660, 21636880, 32455320, 64910640]

約数ペア:

[(1, 64910640), (2, 32455320), (3, 21636880), (4, 16227660), (5, 12982128), (6, 10818440), (8, 8113830), (10, 6491064), (12, 5409220), (15, 4327376), (16, 4056915), (20, 3245532), (24, 2704610), (30, 2163688), (40, 1622766), (48, 1352305), (60, 1081844), (80, 811383), (120, 540922), (240, 270461)]