18682160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 50431296

約数和(自身を除く): 31749136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 457, 511, 560, 584, 730, 914, 1022, 1168, 1460, 1828, 2044, 2285, 2555, 2920, 3199, 3656, 4088, 4570, 5110, 5840, 6398, 7312, 8176, 9140, 10220, 12796, 15995, 18280, 20440, 25592, 31990, 33361, 36560, 40880, 51184, 63980, 66722, 127960, 133444, 166805, 233527, 255920, 266888, 333610, 467054, 533776, 667220, 934108, 1167635, 1334440, 1868216, 2335270, 2668880, 3736432, 4670540, 9341080, 18682160]

約数ペア:

[(1, 18682160), (2, 9341080), (4, 4670540), (5, 3736432), (7, 2668880), (8, 2335270), (10, 1868216), (14, 1334440), (16, 1167635), (20, 934108), (28, 667220), (35, 533776), (40, 467054), (56, 333610), (70, 266888), (73, 255920), (80, 233527), (112, 166805), (140, 133444), (146, 127960), (280, 66722), (292, 63980), (365, 51184), (457, 40880), (511, 36560), (560, 33361), (584, 31990), (730, 25592), (914, 20440), (1022, 18280), (1168, 15995), (1460, 12796), (1828, 10220), (2044, 9140), (2285, 8176), (2555, 7312), (2920, 6398), (3199, 5840), (3656, 5110), (4088, 4570)]