2801340

素因数分解:

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

素因数の和:291

約数の個数: 72

約数和(自身を含む): 8648640

約数和(自身を除く): 5847300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 197, 237, 316, 394, 395, 474, 591, 711, 788, 790, 948, 985, 1182, 1185, 1422, 1580, 1773, 1970, 2364, 2370, 2844, 2955, 3546, 3555, 3940, 4740, 5910, 7092, 7110, 8865, 11820, 14220, 15563, 17730, 31126, 35460, 46689, 62252, 77815, 93378, 140067, 155630, 186756, 233445, 280134, 311260, 466890, 560268, 700335, 933780, 1400670, 2801340]

約数ペア:

[(1, 2801340), (2, 1400670), (3, 933780), (4, 700335), (5, 560268), (6, 466890), (9, 311260), (10, 280134), (12, 233445), (15, 186756), (18, 155630), (20, 140067), (30, 93378), (36, 77815), (45, 62252), (60, 46689), (79, 35460), (90, 31126), (158, 17730), (180, 15563), (197, 14220), (237, 11820), (316, 8865), (394, 7110), (395, 7092), (474, 5910), (591, 4740), (711, 3940), (788, 3555), (790, 3546), (948, 2955), (985, 2844), (1182, 2370), (1185, 2364), (1422, 1970), (1580, 1773)]