665160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 2090880

約数和(自身を除く): 1425720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 241, 276, 345, 460, 482, 552, 690, 723, 920, 964, 1205, 1380, 1446, 1928, 2410, 2760, 2892, 3615, 4820, 5543, 5784, 7230, 9640, 11086, 14460, 16629, 22172, 27715, 28920, 33258, 44344, 55430, 66516, 83145, 110860, 133032, 166290, 221720, 332580, 665160]

約数ペア:

[(1, 665160), (2, 332580), (3, 221720), (4, 166290), (5, 133032), (6, 110860), (8, 83145), (10, 66516), (12, 55430), (15, 44344), (20, 33258), (23, 28920), (24, 27715), (30, 22172), (40, 16629), (46, 14460), (60, 11086), (69, 9640), (92, 7230), (115, 5784), (120, 5543), (138, 4820), (184, 3615), (230, 2892), (241, 2760), (276, 2410), (345, 1928), (460, 1446), (482, 1380), (552, 1205), (690, 964), (723, 920)]