73438320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1949}}^1$

素因数の和:2122

約数の個数: 80

約数和(自身を含む): 229226400

約数和(自身を除く): 155788080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 1949, 2355, 2512, 3140, 3768, 3898, 4710, 5847, 6280, 7536, 7796, 9420, 9745, 11694, 12560, 15592, 18840, 19490, 23388, 29235, 31184, 37680, 38980, 46776, 58470, 77960, 93552, 116940, 155920, 233880, 305993, 467760, 611986, 917979, 1223972, 1529965, 1835958, 2447944, 3059930, 3671916, 4589895, 4895888, 6119860, 7343832, 9179790, 12239720, 14687664, 18359580, 24479440, 36719160, 73438320]

約数ペア:

[(1, 73438320), (2, 36719160), (3, 24479440), (4, 18359580), (5, 14687664), (6, 12239720), (8, 9179790), (10, 7343832), (12, 6119860), (15, 4895888), (16, 4589895), (20, 3671916), (24, 3059930), (30, 2447944), (40, 1835958), (48, 1529965), (60, 1223972), (80, 917979), (120, 611986), (157, 467760), (240, 305993), (314, 233880), (471, 155920), (628, 116940), (785, 93552), (942, 77960), (1256, 58470), (1570, 46776), (1884, 38980), (1949, 37680), (2355, 31184), (2512, 29235), (3140, 23388), (3768, 19490), (3898, 18840), (4710, 15592), (5847, 12560), (6280, 11694), (7536, 9745), (7796, 9420)]