1618245990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{26021}}^1$

素因数の和:26725

約数の個数: 48

約数和(自身を含む): 4213690416

約数和(自身を除く): 2595444426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 691, 1382, 2073, 3455, 4146, 6219, 6910, 10365, 12438, 20730, 26021, 31095, 52042, 62190, 78063, 130105, 156126, 234189, 260210, 390315, 468378, 780630, 1170945, 2341890, 17980511, 35961022, 53941533, 89902555, 107883066, 161824599, 179805110, 269707665, 323649198, 539415330, 809122995, 1618245990]

約数ペア:

[(1, 1618245990), (2, 809122995), (3, 539415330), (5, 323649198), (6, 269707665), (9, 179805110), (10, 161824599), (15, 107883066), (18, 89902555), (30, 53941533), (45, 35961022), (90, 17980511), (691, 2341890), (1382, 1170945), (2073, 780630), (3455, 468378), (4146, 390315), (6219, 260210), (6910, 234189), (10365, 156126), (12438, 130105), (20730, 78063), (26021, 62190), (31095, 52042)]