72441680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47659}}^1$

素因数の和:47691

約数の個数: 40

約数和(自身を含む): 177295200

約数和(自身を除く): 104853520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47659, 95318, 190636, 238295, 381272, 476590, 762544, 905521, 953180, 1811042, 1906360, 3622084, 3812720, 4527605, 7244168, 9055210, 14488336, 18110420, 36220840, 72441680]

約数ペア:

[(1, 72441680), (2, 36220840), (4, 18110420), (5, 14488336), (8, 9055210), (10, 7244168), (16, 4527605), (19, 3812720), (20, 3622084), (38, 1906360), (40, 1811042), (76, 953180), (80, 905521), (95, 762544), (152, 476590), (190, 381272), (304, 238295), (380, 190636), (760, 95318), (1520, 47659)]