131367880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6427}}^1$

素因数の和:6518

約数の個数: 64

約数和(自身を含む): 342483840

約数和(自身を除く): 211115960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 6427, 10220, 12854, 20440, 25708, 32135, 44989, 51416, 64270, 89978, 128540, 179956, 224945, 257080, 359912, 449890, 469171, 899780, 938342, 1799560, 1876684, 2345855, 3284197, 3753368, 4691710, 6568394, 9383420, 13136788, 16420985, 18766840, 26273576, 32841970, 65683940, 131367880]

約数ペア:

[(1, 131367880), (2, 65683940), (4, 32841970), (5, 26273576), (7, 18766840), (8, 16420985), (10, 13136788), (14, 9383420), (20, 6568394), (28, 4691710), (35, 3753368), (40, 3284197), (56, 2345855), (70, 1876684), (73, 1799560), (140, 938342), (146, 899780), (280, 469171), (292, 449890), (365, 359912), (511, 257080), (584, 224945), (730, 179956), (1022, 128540), (1460, 89978), (2044, 64270), (2555, 51416), (2920, 44989), (4088, 32135), (5110, 25708), (6427, 20440), (10220, 12854)]