28385040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1288

約数の個数: 80

約数和(自身を含む): 88940736

約数和(自身を除く): 60555696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1171, 1212, 1515, 1616, 2020, 2342, 2424, 3030, 3513, 4040, 4684, 4848, 5855, 6060, 7026, 8080, 9368, 11710, 12120, 14052, 17565, 18736, 23420, 24240, 28104, 35130, 46840, 56208, 70260, 93680, 118271, 140520, 236542, 281040, 354813, 473084, 591355, 709626, 946168, 1182710, 1419252, 1774065, 1892336, 2365420, 2838504, 3548130, 4730840, 5677008, 7096260, 9461680, 14192520, 28385040]

約数ペア:

[(1, 28385040), (2, 14192520), (3, 9461680), (4, 7096260), (5, 5677008), (6, 4730840), (8, 3548130), (10, 2838504), (12, 2365420), (15, 1892336), (16, 1774065), (20, 1419252), (24, 1182710), (30, 946168), (40, 709626), (48, 591355), (60, 473084), (80, 354813), (101, 281040), (120, 236542), (202, 140520), (240, 118271), (303, 93680), (404, 70260), (505, 56208), (606, 46840), (808, 35130), (1010, 28104), (1171, 24240), (1212, 23420), (1515, 18736), (1616, 17565), (2020, 14052), (2342, 12120), (2424, 11710), (3030, 9368), (3513, 8080), (4040, 7026), (4684, 6060), (4848, 5855)]