1312628680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157013}}^1$

素因数の和:157054

約数の個数: 64

約数和(自身を含む): 3391502400

約数和(自身を除く): 2078873720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 157013, 314026, 628052, 785065, 1256104, 1570130, 1727143, 2983247, 3140260, 3454286, 5966494, 6280520, 6908572, 8635715, 11932988, 13817144, 14916235, 17271430, 23865976, 29832470, 32815717, 34542860, 59664940, 65631434, 69085720, 119329880, 131262868, 164078585, 262525736, 328157170, 656314340, 1312628680]

約数ペア:

[(1, 1312628680), (2, 656314340), (4, 328157170), (5, 262525736), (8, 164078585), (10, 131262868), (11, 119329880), (19, 69085720), (20, 65631434), (22, 59664940), (38, 34542860), (40, 32815717), (44, 29832470), (55, 23865976), (76, 17271430), (88, 14916235), (95, 13817144), (110, 11932988), (152, 8635715), (190, 6908572), (209, 6280520), (220, 5966494), (380, 3454286), (418, 3140260), (440, 2983247), (760, 1727143), (836, 1570130), (1045, 1256104), (1672, 785065), (2090, 628052), (4180, 314026), (8360, 157013)]