81804990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{40699}}^1$

素因数の和:40776

約数の個数: 32

約数和(自身を含む): 199267200

約数和(自身を除く): 117462210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 40699, 81398, 122097, 203495, 244194, 406990, 610485, 1220970, 2726833, 5453666, 8180499, 13634165, 16360998, 27268330, 40902495, 81804990]

約数ペア:

[(1, 81804990), (2, 40902495), (3, 27268330), (5, 16360998), (6, 13634165), (10, 8180499), (15, 5453666), (30, 2726833), (67, 1220970), (134, 610485), (201, 406990), (335, 244194), (402, 203495), (670, 122097), (1005, 81398), (2010, 40699)]