8404020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 26611200

約数和(自身を除く): 18207180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 197, 237, 270, 316, 394, 395, 474, 540, 591, 711, 788, 790, 948, 985, 1182, 1185, 1422, 1580, 1773, 1970, 2133, 2364, 2370, 2844, 2955, 3546, 3555, 3940, 4266, 4740, 5319, 5910, 7092, 7110, 8532, 8865, 10638, 10665, 11820, 14220, 15563, 17730, 21276, 21330, 26595, 31126, 35460, 42660, 46689, 53190, 62252, 77815, 93378, 106380, 140067, 155630, 186756, 233445, 280134, 311260, 420201, 466890, 560268, 700335, 840402, 933780, 1400670, 1680804, 2101005, 2801340, 4202010, 8404020]

約数ペア:

[(1, 8404020), (2, 4202010), (3, 2801340), (4, 2101005), (5, 1680804), (6, 1400670), (9, 933780), (10, 840402), (12, 700335), (15, 560268), (18, 466890), (20, 420201), (27, 311260), (30, 280134), (36, 233445), (45, 186756), (54, 155630), (60, 140067), (79, 106380), (90, 93378), (108, 77815), (135, 62252), (158, 53190), (180, 46689), (197, 42660), (237, 35460), (270, 31126), (316, 26595), (394, 21330), (395, 21276), (474, 17730), (540, 15563), (591, 14220), (711, 11820), (788, 10665), (790, 10638), (948, 8865), (985, 8532), (1182, 7110), (1185, 7092), (1422, 5910), (1580, 5319), (1773, 4740), (1970, 4266), (2133, 3940), (2364, 3555), (2370, 3546), (2844, 2955)]