66648780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:888

約数の個数: 144

約数和(自身を含む): 226201248

約数和(自身を除く): 159552468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 110, 123, 132, 164, 165, 180, 198, 205, 220, 246, 330, 369, 396, 410, 451, 492, 495, 615, 660, 738, 820, 821, 902, 990, 1230, 1353, 1476, 1642, 1804, 1845, 1980, 2255, 2460, 2463, 2706, 3284, 3690, 4059, 4105, 4510, 4926, 5412, 6765, 7380, 7389, 8118, 8210, 9020, 9031, 9852, 12315, 13530, 14778, 16236, 16420, 18062, 20295, 24630, 27060, 27093, 29556, 33661, 36124, 36945, 40590, 45155, 49260, 54186, 67322, 73890, 81180, 81279, 90310, 100983, 108372, 134644, 135465, 147780, 162558, 168305, 180620, 201966, 270930, 302949, 325116, 336610, 370271, 403932, 406395, 504915, 541860, 605898, 673220, 740542, 812790, 1009830, 1110813, 1211796, 1481084, 1514745, 1625580, 1851355, 2019660, 2221626, 3029490, 3332439, 3702710, 4443252, 5554065, 6058980, 6664878, 7405420, 11108130, 13329756, 16662195, 22216260, 33324390, 66648780]

約数ペア:

[(1, 66648780), (2, 33324390), (3, 22216260), (4, 16662195), (5, 13329756), (6, 11108130), (9, 7405420), (10, 6664878), (11, 6058980), (12, 5554065), (15, 4443252), (18, 3702710), (20, 3332439), (22, 3029490), (30, 2221626), (33, 2019660), (36, 1851355), (41, 1625580), (44, 1514745), (45, 1481084), (55, 1211796), (60, 1110813), (66, 1009830), (82, 812790), (90, 740542), (99, 673220), (110, 605898), (123, 541860), (132, 504915), (164, 406395), (165, 403932), (180, 370271), (198, 336610), (205, 325116), (220, 302949), (246, 270930), (330, 201966), (369, 180620), (396, 168305), (410, 162558), (451, 147780), (492, 135465), (495, 134644), (615, 108372), (660, 100983), (738, 90310), (820, 81279), (821, 81180), (902, 73890), (990, 67322), (1230, 54186), (1353, 49260), (1476, 45155), (1642, 40590), (1804, 36945), (1845, 36124), (1980, 33661), (2255, 29556), (2460, 27093), (2463, 27060), (2706, 24630), (3284, 20295), (3690, 18062), (4059, 16420), (4105, 16236), (4510, 14778), (4926, 13530), (5412, 12315), (6765, 9852), (7380, 9031), (7389, 9020), (8118, 8210)]