81425040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11699}}^1$

素因数の和:11744

約数の個数: 80

約数和(自身を含む): 261144000

約数和(自身を除く): 179718960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 11699, 23398, 35097, 46796, 58495, 70194, 93592, 116990, 140388, 175485, 187184, 233980, 280776, 339271, 350970, 467960, 561552, 678542, 701940, 935920, 1017813, 1357084, 1403880, 1696355, 2035626, 2714168, 2807760, 3392710, 4071252, 5089065, 5428336, 6785420, 8142504, 10178130, 13570840, 16285008, 20356260, 27141680, 40712520, 81425040]

約数ペア:

[(1, 81425040), (2, 40712520), (3, 27141680), (4, 20356260), (5, 16285008), (6, 13570840), (8, 10178130), (10, 8142504), (12, 6785420), (15, 5428336), (16, 5089065), (20, 4071252), (24, 3392710), (29, 2807760), (30, 2714168), (40, 2035626), (48, 1696355), (58, 1403880), (60, 1357084), (80, 1017813), (87, 935920), (116, 701940), (120, 678542), (145, 561552), (174, 467960), (232, 350970), (240, 339271), (290, 280776), (348, 233980), (435, 187184), (464, 175485), (580, 140388), (696, 116990), (870, 93592), (1160, 70194), (1392, 58495), (1740, 46796), (2320, 35097), (3480, 23398), (6960, 11699)]