28543920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5171}}^1$

素因数の和:5210

約数の個数: 80

約数和(自身を含む): 92351232

約数和(自身を除く): 63807312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5171, 5520, 10342, 15513, 20684, 25855, 31026, 41368, 51710, 62052, 77565, 82736, 103420, 118933, 124104, 155130, 206840, 237866, 248208, 310260, 356799, 413680, 475732, 594665, 620520, 713598, 951464, 1189330, 1241040, 1427196, 1783995, 1902928, 2378660, 2854392, 3567990, 4757320, 5708784, 7135980, 9514640, 14271960, 28543920]

約数ペア:

[(1, 28543920), (2, 14271960), (3, 9514640), (4, 7135980), (5, 5708784), (6, 4757320), (8, 3567990), (10, 2854392), (12, 2378660), (15, 1902928), (16, 1783995), (20, 1427196), (23, 1241040), (24, 1189330), (30, 951464), (40, 713598), (46, 620520), (48, 594665), (60, 475732), (69, 413680), (80, 356799), (92, 310260), (115, 248208), (120, 237866), (138, 206840), (184, 155130), (230, 124104), (240, 118933), (276, 103420), (345, 82736), (368, 77565), (460, 62052), (552, 51710), (690, 41368), (920, 31026), (1104, 25855), (1380, 20684), (1840, 15513), (2760, 10342), (5171, 5520)]