16851720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 50829120

約数和(自身を除く): 33977400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 443, 634, 886, 951, 1268, 1329, 1585, 1772, 1902, 2215, 2536, 2658, 3170, 3544, 3804, 4430, 4755, 5316, 6340, 6645, 7608, 8860, 9510, 10632, 12680, 13290, 17720, 19020, 26580, 38040, 53160, 140431, 280862, 421293, 561724, 702155, 842586, 1123448, 1404310, 1685172, 2106465, 2808620, 3370344, 4212930, 5617240, 8425860, 16851720]

約数ペア:

[(1, 16851720), (2, 8425860), (3, 5617240), (4, 4212930), (5, 3370344), (6, 2808620), (8, 2106465), (10, 1685172), (12, 1404310), (15, 1123448), (20, 842586), (24, 702155), (30, 561724), (40, 421293), (60, 280862), (120, 140431), (317, 53160), (443, 38040), (634, 26580), (886, 19020), (951, 17720), (1268, 13290), (1329, 12680), (1585, 10632), (1772, 9510), (1902, 8860), (2215, 7608), (2536, 6645), (2658, 6340), (3170, 5316), (3544, 4755), (3804, 4430)]