47528820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3805

約数の個数: 72

約数和(自身を含む): 146240640

約数和(自身を除く): 98711820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 3719, 4260, 6390, 7438, 11157, 12780, 14876, 18595, 22314, 33471, 37190, 44628, 55785, 66942, 74380, 111570, 133884, 167355, 223140, 264049, 334710, 528098, 669420, 792147, 1056196, 1320245, 1584294, 2376441, 2640490, 3168588, 3960735, 4752882, 5280980, 7921470, 9505764, 11882205, 15842940, 23764410, 47528820]

約数ペア:

[(1, 47528820), (2, 23764410), (3, 15842940), (4, 11882205), (5, 9505764), (6, 7921470), (9, 5280980), (10, 4752882), (12, 3960735), (15, 3168588), (18, 2640490), (20, 2376441), (30, 1584294), (36, 1320245), (45, 1056196), (60, 792147), (71, 669420), (90, 528098), (142, 334710), (180, 264049), (213, 223140), (284, 167355), (355, 133884), (426, 111570), (639, 74380), (710, 66942), (852, 55785), (1065, 44628), (1278, 37190), (1420, 33471), (2130, 22314), (2556, 18595), (3195, 14876), (3719, 12780), (4260, 11157), (6390, 7438)]