19920840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1523}}^1$

素因数の和:1646

約数の個数: 64

約数和(自身を含む): 60350400

約数和(自身を除く): 40429560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1523, 1635, 2180, 2616, 3046, 3270, 4360, 4569, 6092, 6540, 7615, 9138, 12184, 13080, 15230, 18276, 22845, 30460, 36552, 45690, 60920, 91380, 166007, 182760, 332014, 498021, 664028, 830035, 996042, 1328056, 1660070, 1992084, 2490105, 3320140, 3984168, 4980210, 6640280, 9960420, 19920840]

約数ペア:

[(1, 19920840), (2, 9960420), (3, 6640280), (4, 4980210), (5, 3984168), (6, 3320140), (8, 2490105), (10, 1992084), (12, 1660070), (15, 1328056), (20, 996042), (24, 830035), (30, 664028), (40, 498021), (60, 332014), (109, 182760), (120, 166007), (218, 91380), (327, 60920), (436, 45690), (545, 36552), (654, 30460), (872, 22845), (1090, 18276), (1308, 15230), (1523, 13080), (1635, 12184), (2180, 9138), (2616, 7615), (3046, 6540), (3270, 6092), (4360, 4569)]