1520994520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{2341}}^1$

素因数の和:2828

約数の個数: 64

約数和(自身を含む): 3524241600

約数和(自身を除く): 2003247080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 439, 740, 878, 1480, 1756, 2195, 2341, 3512, 4390, 4682, 8780, 9364, 11705, 16243, 17560, 18728, 23410, 32486, 46820, 64972, 81215, 86617, 93640, 129944, 162430, 173234, 324860, 346468, 433085, 649720, 692936, 866170, 1027699, 1732340, 2055398, 3464680, 4110796, 5138495, 8221592, 10276990, 20553980, 38024863, 41107960, 76049726, 152099452, 190124315, 304198904, 380248630, 760497260, 1520994520]

約数ペア:

[(1, 1520994520), (2, 760497260), (4, 380248630), (5, 304198904), (8, 190124315), (10, 152099452), (20, 76049726), (37, 41107960), (40, 38024863), (74, 20553980), (148, 10276990), (185, 8221592), (296, 5138495), (370, 4110796), (439, 3464680), (740, 2055398), (878, 1732340), (1480, 1027699), (1756, 866170), (2195, 692936), (2341, 649720), (3512, 433085), (4390, 346468), (4682, 324860), (8780, 173234), (9364, 162430), (11705, 129944), (16243, 93640), (17560, 86617), (18728, 81215), (23410, 64972), (32486, 46820)]