81932620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:751

約数の個数: 96

約数和(自身を含む): 217437696

約数和(自身を除く): 135505076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 140, 154, 166, 220, 308, 332, 385, 415, 581, 641, 770, 830, 913, 1162, 1282, 1540, 1660, 1826, 2324, 2564, 2905, 3205, 3652, 4487, 4565, 5810, 6391, 6410, 7051, 8974, 9130, 11620, 12782, 12820, 14102, 17948, 18260, 22435, 25564, 28204, 31955, 35255, 44870, 49357, 53203, 63910, 70510, 89740, 98714, 106406, 127820, 141020, 197428, 212812, 246785, 266015, 372421, 493570, 532030, 585233, 744842, 987140, 1064060, 1170466, 1489684, 1862105, 2340932, 2926165, 3724210, 4096631, 5852330, 7448420, 8193262, 11704660, 16386524, 20483155, 40966310, 81932620]

約数ペア:

[(1, 81932620), (2, 40966310), (4, 20483155), (5, 16386524), (7, 11704660), (10, 8193262), (11, 7448420), (14, 5852330), (20, 4096631), (22, 3724210), (28, 2926165), (35, 2340932), (44, 1862105), (55, 1489684), (70, 1170466), (77, 1064060), (83, 987140), (110, 744842), (140, 585233), (154, 532030), (166, 493570), (220, 372421), (308, 266015), (332, 246785), (385, 212812), (415, 197428), (581, 141020), (641, 127820), (770, 106406), (830, 98714), (913, 89740), (1162, 70510), (1282, 63910), (1540, 53203), (1660, 49357), (1826, 44870), (2324, 35255), (2564, 31955), (2905, 28204), (3205, 25564), (3652, 22435), (4487, 18260), (4565, 17948), (5810, 14102), (6391, 12820), (6410, 12782), (7051, 11620), (8974, 9130)]