81297810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 244408320

約数和(自身を除く): 163110510

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 135, 155, 165, 186, 198, 270, 279, 297, 310, 330, 341, 465, 495, 558, 594, 682, 837, 883, 930, 990, 1023, 1395, 1485, 1674, 1705, 1766, 2046, 2649, 2790, 2970, 3069, 3410, 4185, 4415, 5115, 5298, 6138, 7947, 8370, 8830, 9207, 9713, 10230, 13245, 15345, 15894, 18414, 19426, 23841, 26490, 27373, 29139, 30690, 39735, 46035, 47682, 48565, 54746, 58278, 79470, 82119, 87417, 92070, 97130, 119205, 136865, 145695, 164238, 174834, 238410, 246357, 262251, 273730, 291390, 301103, 410595, 437085, 492714, 524502, 602206, 739071, 821190, 874170, 903309, 1231785, 1311255, 1478142, 1505515, 1806618, 2463570, 2622510, 2709927, 3011030, 3695355, 4516545, 5419854, 7390710, 8129781, 9033090, 13549635, 16259562, 27099270, 40648905, 81297810]

約数ペア:

[(1, 81297810), (2, 40648905), (3, 27099270), (5, 16259562), (6, 13549635), (9, 9033090), (10, 8129781), (11, 7390710), (15, 5419854), (18, 4516545), (22, 3695355), (27, 3011030), (30, 2709927), (31, 2622510), (33, 2463570), (45, 1806618), (54, 1505515), (55, 1478142), (62, 1311255), (66, 1231785), (90, 903309), (93, 874170), (99, 821190), (110, 739071), (135, 602206), (155, 524502), (165, 492714), (186, 437085), (198, 410595), (270, 301103), (279, 291390), (297, 273730), (310, 262251), (330, 246357), (341, 238410), (465, 174834), (495, 164238), (558, 145695), (594, 136865), (682, 119205), (837, 97130), (883, 92070), (930, 87417), (990, 82119), (1023, 79470), (1395, 58278), (1485, 54746), (1674, 48565), (1705, 47682), (1766, 46035), (2046, 39735), (2649, 30690), (2790, 29139), (2970, 27373), (3069, 26490), (3410, 23841), (4185, 19426), (4415, 18414), (5115, 15894), (5298, 15345), (6138, 13245), (7947, 10230), (8370, 9713), (8830, 9207)]