87578480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4327}}^1$

素因数の和:4374

約数の個数: 80

約数和(自身を含む): 231842304

約数和(自身を除く): 144263824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 4327, 5060, 8654, 10120, 17308, 20240, 21635, 34616, 43270, 47597, 69232, 86540, 95194, 99521, 173080, 190388, 199042, 237985, 346160, 380776, 398084, 475970, 497605, 761552, 796168, 951940, 995210, 1094731, 1592336, 1903880, 1990420, 2189462, 3807760, 3980840, 4378924, 5473655, 7961680, 8757848, 10947310, 17515696, 21894620, 43789240, 87578480]

約数ペア:

[(1, 87578480), (2, 43789240), (4, 21894620), (5, 17515696), (8, 10947310), (10, 8757848), (11, 7961680), (16, 5473655), (20, 4378924), (22, 3980840), (23, 3807760), (40, 2189462), (44, 1990420), (46, 1903880), (55, 1592336), (80, 1094731), (88, 995210), (92, 951940), (110, 796168), (115, 761552), (176, 497605), (184, 475970), (220, 398084), (230, 380776), (253, 346160), (368, 237985), (440, 199042), (460, 190388), (506, 173080), (880, 99521), (920, 95194), (1012, 86540), (1265, 69232), (1840, 47597), (2024, 43270), (2530, 34616), (4048, 21635), (4327, 20240), (5060, 17308), (8654, 10120)]