82381720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1777}}^1$

素因数の和:1868

約数の個数: 64

約数和(自身を含む): 198424800

約数和(自身を除く): 116043080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 1777, 2318, 2440, 3554, 4636, 5795, 7108, 8885, 9272, 11590, 14216, 17770, 23180, 33763, 35540, 46360, 67526, 71080, 108397, 135052, 168815, 216794, 270104, 337630, 433588, 541985, 675260, 867176, 1083970, 1350520, 2059543, 2167940, 4119086, 4335880, 8238172, 10297715, 16476344, 20595430, 41190860, 82381720]

約数ペア:

[(1, 82381720), (2, 41190860), (4, 20595430), (5, 16476344), (8, 10297715), (10, 8238172), (19, 4335880), (20, 4119086), (38, 2167940), (40, 2059543), (61, 1350520), (76, 1083970), (95, 867176), (122, 675260), (152, 541985), (190, 433588), (244, 337630), (305, 270104), (380, 216794), (488, 168815), (610, 135052), (760, 108397), (1159, 71080), (1220, 67526), (1777, 46360), (2318, 35540), (2440, 33763), (3554, 23180), (4636, 17770), (5795, 14216), (7108, 11590), (8885, 9272)]