31248120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2512

約数の個数: 64

約数和(自身を含む): 94644000

約数和(自身を除く): 63395880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2180, 2389, 2616, 3270, 4360, 4778, 6540, 7167, 9556, 11945, 13080, 14334, 19112, 23890, 28668, 35835, 47780, 57336, 71670, 95560, 143340, 260401, 286680, 520802, 781203, 1041604, 1302005, 1562406, 2083208, 2604010, 3124812, 3906015, 5208020, 6249624, 7812030, 10416040, 15624060, 31248120]

約数ペア:

[(1, 31248120), (2, 15624060), (3, 10416040), (4, 7812030), (5, 6249624), (6, 5208020), (8, 3906015), (10, 3124812), (12, 2604010), (15, 2083208), (20, 1562406), (24, 1302005), (30, 1041604), (40, 781203), (60, 520802), (109, 286680), (120, 260401), (218, 143340), (327, 95560), (436, 71670), (545, 57336), (654, 47780), (872, 35835), (1090, 28668), (1308, 23890), (1635, 19112), (2180, 14334), (2389, 13080), (2616, 11945), (3270, 9556), (4360, 7167), (4778, 6540)]