28712640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2719}}^1$

素因数の和:2750

約数の個数: 112

約数和(自身を含む): 99486720

約数和(自身を除く): 70774080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2112, 2640, 2719, 3520, 5280, 5438, 8157, 10560, 10876, 13595, 16314, 21752, 27190, 29909, 32628, 40785, 43504, 54380, 59818, 65256, 81570, 87008, 89727, 108760, 119636, 130512, 149545, 163140, 174016, 179454, 217520, 239272, 261024, 299090, 326280, 358908, 435040, 448635, 478544, 522048, 598180, 652560, 717816, 870080, 897270, 957088, 1196360, 1305120, 1435632, 1794540, 1914176, 2392720, 2610240, 2871264, 3589080, 4785440, 5742528, 7178160, 9570880, 14356320, 28712640]

約数ペア:

[(1, 28712640), (2, 14356320), (3, 9570880), (4, 7178160), (5, 5742528), (6, 4785440), (8, 3589080), (10, 2871264), (11, 2610240), (12, 2392720), (15, 1914176), (16, 1794540), (20, 1435632), (22, 1305120), (24, 1196360), (30, 957088), (32, 897270), (33, 870080), (40, 717816), (44, 652560), (48, 598180), (55, 522048), (60, 478544), (64, 448635), (66, 435040), (80, 358908), (88, 326280), (96, 299090), (110, 261024), (120, 239272), (132, 217520), (160, 179454), (165, 174016), (176, 163140), (192, 149545), (220, 130512), (240, 119636), (264, 108760), (320, 89727), (330, 87008), (352, 81570), (440, 65256), (480, 59818), (528, 54380), (660, 43504), (704, 40785), (880, 32628), (960, 29909), (1056, 27190), (1320, 21752), (1760, 16314), (2112, 13595), (2640, 10876), (2719, 10560), (3520, 8157), (5280, 5438)]