81350280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20543}}^1$

素因数の和:20571

約数の個数: 96

約数和(自身を含む): 288437760

約数和(自身を除く): 207087480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20543, 41086, 61629, 82172, 102715, 123258, 164344, 184887, 205430, 225973, 246516, 308145, 369774, 410860, 451946, 493032, 616290, 677919, 739548, 821720, 903892, 924435, 1129865, 1232580, 1355838, 1479096, 1807784, 1848870, 2033757, 2259730, 2465160, 2711676, 3389595, 3697740, 4067514, 4519460, 5423352, 6779190, 7395480, 8135028, 9038920, 10168785, 13558380, 16270056, 20337570, 27116760, 40675140, 81350280]

約数ペア:

[(1, 81350280), (2, 40675140), (3, 27116760), (4, 20337570), (5, 16270056), (6, 13558380), (8, 10168785), (9, 9038920), (10, 8135028), (11, 7395480), (12, 6779190), (15, 5423352), (18, 4519460), (20, 4067514), (22, 3697740), (24, 3389595), (30, 2711676), (33, 2465160), (36, 2259730), (40, 2033757), (44, 1848870), (45, 1807784), (55, 1479096), (60, 1355838), (66, 1232580), (72, 1129865), (88, 924435), (90, 903892), (99, 821720), (110, 739548), (120, 677919), (132, 616290), (165, 493032), (180, 451946), (198, 410860), (220, 369774), (264, 308145), (330, 246516), (360, 225973), (396, 205430), (440, 184887), (495, 164344), (660, 123258), (792, 102715), (990, 82172), (1320, 61629), (1980, 41086), (3960, 20543)]