1218265320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{128509}}^1$

素因数の和:128602

約数の個数: 64

約数和(自身を含む): 3701088000

約数和(自身を除く): 2482822680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 128509, 257018, 385527, 514036, 642545, 771054, 1028072, 1285090, 1542108, 1927635, 2570180, 3084216, 3855270, 5140360, 7710540, 10152211, 15421080, 20304422, 30456633, 40608844, 50761055, 60913266, 81217688, 101522110, 121826532, 152283165, 203044220, 243653064, 304566330, 406088440, 609132660, 1218265320]

約数ペア:

[(1, 1218265320), (2, 609132660), (3, 406088440), (4, 304566330), (5, 243653064), (6, 203044220), (8, 152283165), (10, 121826532), (12, 101522110), (15, 81217688), (20, 60913266), (24, 50761055), (30, 40608844), (40, 30456633), (60, 20304422), (79, 15421080), (120, 10152211), (158, 7710540), (237, 5140360), (316, 3855270), (395, 3084216), (474, 2570180), (632, 1927635), (790, 1542108), (948, 1285090), (1185, 1028072), (1580, 771054), (1896, 642545), (2370, 514036), (3160, 385527), (4740, 257018), (9480, 128509)]