66666420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16103}}^1$

素因数の和:16141

約数の個数: 72

約数和(自身を含む): 211026816

約数和(自身を除く): 144360396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 16103, 32206, 48309, 64412, 80515, 96618, 144927, 161030, 193236, 241545, 289854, 322060, 370369, 483090, 579708, 724635, 740738, 966180, 1111107, 1449270, 1481476, 1851845, 2222214, 2898540, 3333321, 3703690, 4444428, 5555535, 6666642, 7407380, 11111070, 13333284, 16666605, 22222140, 33333210, 66666420]

約数ペア:

[(1, 66666420), (2, 33333210), (3, 22222140), (4, 16666605), (5, 13333284), (6, 11111070), (9, 7407380), (10, 6666642), (12, 5555535), (15, 4444428), (18, 3703690), (20, 3333321), (23, 2898540), (30, 2222214), (36, 1851845), (45, 1481476), (46, 1449270), (60, 1111107), (69, 966180), (90, 740738), (92, 724635), (115, 579708), (138, 483090), (180, 370369), (207, 322060), (230, 289854), (276, 241545), (345, 193236), (414, 161030), (460, 144927), (690, 96618), (828, 80515), (1035, 64412), (1380, 48309), (2070, 32206), (4140, 16103)]