163079720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 379209600

約数和(自身を除く): 216129880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 251, 296, 370, 439, 502, 740, 878, 1004, 1255, 1480, 1756, 2008, 2195, 2510, 3512, 4390, 5020, 8780, 9287, 10040, 16243, 17560, 18574, 32486, 37148, 46435, 64972, 74296, 81215, 92870, 110189, 129944, 162430, 185740, 220378, 324860, 371480, 440756, 550945, 649720, 881512, 1101890, 2203780, 4076993, 4407560, 8153986, 16307972, 20384965, 32615944, 40769930, 81539860, 163079720]

約数ペア:

[(1, 163079720), (2, 81539860), (4, 40769930), (5, 32615944), (8, 20384965), (10, 16307972), (20, 8153986), (37, 4407560), (40, 4076993), (74, 2203780), (148, 1101890), (185, 881512), (251, 649720), (296, 550945), (370, 440756), (439, 371480), (502, 324860), (740, 220378), (878, 185740), (1004, 162430), (1255, 129944), (1480, 110189), (1756, 92870), (2008, 81215), (2195, 74296), (2510, 64972), (3512, 46435), (4390, 37148), (5020, 32486), (8780, 18574), (9287, 17560), (10040, 16243)]