170809720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 394178400

約数和(自身を除く): 223368680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 157, 236, 295, 314, 461, 472, 590, 628, 785, 922, 1180, 1256, 1570, 1844, 2305, 2360, 3140, 3688, 4610, 6280, 9220, 9263, 18440, 18526, 27199, 37052, 46315, 54398, 72377, 74104, 92630, 108796, 135995, 144754, 185260, 217592, 271990, 289508, 361885, 370520, 543980, 579016, 723770, 1087960, 1447540, 2895080, 4270243, 8540486, 17080972, 21351215, 34161944, 42702430, 85404860, 170809720]

約数ペア:

[(1, 170809720), (2, 85404860), (4, 42702430), (5, 34161944), (8, 21351215), (10, 17080972), (20, 8540486), (40, 4270243), (59, 2895080), (118, 1447540), (157, 1087960), (236, 723770), (295, 579016), (314, 543980), (461, 370520), (472, 361885), (590, 289508), (628, 271990), (785, 217592), (922, 185260), (1180, 144754), (1256, 135995), (1570, 108796), (1844, 92630), (2305, 74104), (2360, 72377), (3140, 54398), (3688, 46315), (4610, 37052), (6280, 27199), (9220, 18526), (9263, 18440)]