28954320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 90327552

約数和(自身を除く): 61373232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 541, 669, 892, 1082, 1115, 1338, 1623, 1784, 2164, 2230, 2676, 2705, 3246, 3345, 3568, 4328, 4460, 5352, 5410, 6492, 6690, 8115, 8656, 8920, 10704, 10820, 12984, 13380, 16230, 17840, 21640, 25968, 26760, 32460, 43280, 53520, 64920, 120643, 129840, 241286, 361929, 482572, 603215, 723858, 965144, 1206430, 1447716, 1809645, 1930288, 2412860, 2895432, 3619290, 4825720, 5790864, 7238580, 9651440, 14477160, 28954320]

約数ペア:

[(1, 28954320), (2, 14477160), (3, 9651440), (4, 7238580), (5, 5790864), (6, 4825720), (8, 3619290), (10, 2895432), (12, 2412860), (15, 1930288), (16, 1809645), (20, 1447716), (24, 1206430), (30, 965144), (40, 723858), (48, 603215), (60, 482572), (80, 361929), (120, 241286), (223, 129840), (240, 120643), (446, 64920), (541, 53520), (669, 43280), (892, 32460), (1082, 26760), (1115, 25968), (1338, 21640), (1623, 17840), (1784, 16230), (2164, 13380), (2230, 12984), (2676, 10820), (2705, 10704), (3246, 8920), (3345, 8656), (3568, 8115), (4328, 6690), (4460, 6492), (5352, 5410)]