660557520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{131063}}^1$

素因数の和:131089

約数の個数: 120

約数和(自身を含む): 2535302016

約数和(自身を除く): 1874744496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 131063, 262126, 393189, 524252, 655315, 786378, 917441, 1048504, 1179567, 1310630, 1572756, 1834882, 1965945, 2097008, 2359134, 2621260, 2752323, 3145512, 3669764, 3931890, 4587205, 4718268, 5242520, 5504646, 5897835, 6291024, 7339528, 7863780, 8256969, 9174410, 9436536, 10485040, 11009292, 11795670, 13761615, 14679056, 15727560, 16513938, 18348820, 18873072, 22018584, 23591340, 27523230, 31455120, 33027876, 36697640, 41284845, 44037168, 47182680, 55046460, 66055752, 73395280, 82569690, 94365360, 110092920, 132111504, 165139380, 220185840, 330278760, 660557520]

約数ペア:

[(1, 660557520), (2, 330278760), (3, 220185840), (4, 165139380), (5, 132111504), (6, 110092920), (7, 94365360), (8, 82569690), (9, 73395280), (10, 66055752), (12, 55046460), (14, 47182680), (15, 44037168), (16, 41284845), (18, 36697640), (20, 33027876), (21, 31455120), (24, 27523230), (28, 23591340), (30, 22018584), (35, 18873072), (36, 18348820), (40, 16513938), (42, 15727560), (45, 14679056), (48, 13761615), (56, 11795670), (60, 11009292), (63, 10485040), (70, 9436536), (72, 9174410), (80, 8256969), (84, 7863780), (90, 7339528), (105, 6291024), (112, 5897835), (120, 5504646), (126, 5242520), (140, 4718268), (144, 4587205), (168, 3931890), (180, 3669764), (210, 3145512), (240, 2752323), (252, 2621260), (280, 2359134), (315, 2097008), (336, 1965945), (360, 1834882), (420, 1572756), (504, 1310630), (560, 1179567), (630, 1048504), (720, 917441), (840, 786378), (1008, 655315), (1260, 524252), (1680, 393189), (2520, 262126), (5040, 131063)]