80721390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6917}}^1$

素因数の和:7316

約数の個数: 32

約数和(自身を含む): 194257440

約数和(自身を除く): 113536050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1945, 2334, 3890, 5835, 6917, 11670, 13834, 20751, 34585, 41502, 69170, 103755, 207510, 2690713, 5381426, 8072139, 13453565, 16144278, 26907130, 40360695, 80721390]

約数ペア:

[(1, 80721390), (2, 40360695), (3, 26907130), (5, 16144278), (6, 13453565), (10, 8072139), (15, 5381426), (30, 2690713), (389, 207510), (778, 103755), (1167, 69170), (1945, 41502), (2334, 34585), (3890, 20751), (5835, 13834), (6917, 11670)]