140577560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1553}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 331188480

約数和(自身を除く): 190610920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1460, 1553, 2263, 2920, 3106, 4526, 6212, 7765, 9052, 11315, 12424, 15530, 18104, 22630, 31060, 45260, 48143, 62120, 90520, 96286, 113369, 192572, 226738, 240715, 385144, 453476, 481430, 566845, 906952, 962860, 1133690, 1925720, 2267380, 3514439, 4534760, 7028878, 14057756, 17572195, 28115512, 35144390, 70288780, 140577560]

約数ペア:

[(1, 140577560), (2, 70288780), (4, 35144390), (5, 28115512), (8, 17572195), (10, 14057756), (20, 7028878), (31, 4534760), (40, 3514439), (62, 2267380), (73, 1925720), (124, 1133690), (146, 962860), (155, 906952), (248, 566845), (292, 481430), (310, 453476), (365, 385144), (584, 240715), (620, 226738), (730, 192572), (1240, 113369), (1460, 96286), (1553, 90520), (2263, 62120), (2920, 48143), (3106, 45260), (4526, 31060), (6212, 22630), (7765, 18104), (9052, 15530), (11315, 12424)]