164450720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:790

約数の個数: 96

約数和(自身を含む): 446342400

約数和(自身を除く): 281891680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 359, 409, 560, 718, 818, 1120, 1436, 1636, 1795, 2045, 2513, 2863, 2872, 3272, 3590, 4090, 5026, 5726, 5744, 6544, 7180, 8180, 10052, 11452, 11488, 12565, 13088, 14315, 14360, 16360, 20104, 22904, 25130, 28630, 28720, 32720, 40208, 45808, 50260, 57260, 57440, 65440, 80416, 91616, 100520, 114520, 146831, 201040, 229040, 293662, 402080, 458080, 587324, 734155, 1027817, 1174648, 1468310, 2055634, 2349296, 2936620, 4111268, 4698592, 5139085, 5873240, 8222536, 10278170, 11746480, 16445072, 20556340, 23492960, 32890144, 41112680, 82225360, 164450720]

約数ペア:

[(1, 164450720), (2, 82225360), (4, 41112680), (5, 32890144), (7, 23492960), (8, 20556340), (10, 16445072), (14, 11746480), (16, 10278170), (20, 8222536), (28, 5873240), (32, 5139085), (35, 4698592), (40, 4111268), (56, 2936620), (70, 2349296), (80, 2055634), (112, 1468310), (140, 1174648), (160, 1027817), (224, 734155), (280, 587324), (359, 458080), (409, 402080), (560, 293662), (718, 229040), (818, 201040), (1120, 146831), (1436, 114520), (1636, 100520), (1795, 91616), (2045, 80416), (2513, 65440), (2863, 57440), (2872, 57260), (3272, 50260), (3590, 45808), (4090, 40208), (5026, 32720), (5726, 28720), (5744, 28630), (6544, 25130), (7180, 22904), (8180, 20104), (10052, 16360), (11452, 14360), (11488, 14315), (12565, 13088)]