80072520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{60661}}^1$

素因数の和:60686

約数の個数: 64

約数和(自身を含む): 262059840

約数和(自身を除く): 181987320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 60661, 121322, 181983, 242644, 303305, 363966, 485288, 606610, 667271, 727932, 909915, 1213220, 1334542, 1455864, 1819830, 2001813, 2426440, 2669084, 3336355, 3639660, 4003626, 5338168, 6672710, 7279320, 8007252, 10009065, 13345420, 16014504, 20018130, 26690840, 40036260, 80072520]

約数ペア:

[(1, 80072520), (2, 40036260), (3, 26690840), (4, 20018130), (5, 16014504), (6, 13345420), (8, 10009065), (10, 8007252), (11, 7279320), (12, 6672710), (15, 5338168), (20, 4003626), (22, 3639660), (24, 3336355), (30, 2669084), (33, 2426440), (40, 2001813), (44, 1819830), (55, 1455864), (60, 1334542), (66, 1213220), (88, 909915), (110, 727932), (120, 667271), (132, 606610), (165, 485288), (220, 363966), (264, 303305), (330, 242644), (440, 181983), (660, 121322), (1320, 60661)]