68870320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 167935680

約数和(自身を除く): 99065360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 185, 212, 265, 296, 370, 424, 439, 530, 592, 740, 848, 878, 1060, 1480, 1756, 1961, 2120, 2195, 2960, 3512, 3922, 4240, 4390, 7024, 7844, 8780, 9805, 15688, 16243, 17560, 19610, 23267, 31376, 32486, 35120, 39220, 46534, 64972, 78440, 81215, 93068, 116335, 129944, 156880, 162430, 186136, 232670, 259888, 324860, 372272, 465340, 649720, 860879, 930680, 1299440, 1721758, 1861360, 3443516, 4304395, 6887032, 8608790, 13774064, 17217580, 34435160, 68870320]

約数ペア:

[(1, 68870320), (2, 34435160), (4, 17217580), (5, 13774064), (8, 8608790), (10, 6887032), (16, 4304395), (20, 3443516), (37, 1861360), (40, 1721758), (53, 1299440), (74, 930680), (80, 860879), (106, 649720), (148, 465340), (185, 372272), (212, 324860), (265, 259888), (296, 232670), (370, 186136), (424, 162430), (439, 156880), (530, 129944), (592, 116335), (740, 93068), (848, 81215), (878, 78440), (1060, 64972), (1480, 46534), (1756, 39220), (1961, 35120), (2120, 32486), (2195, 31376), (2960, 23267), (3512, 19610), (3922, 17560), (4240, 16243), (4390, 15688), (7024, 9805), (7844, 8780)]