19808160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1470

約数の個数: 96

約数和(自身を含む): 64592640

約数和(自身を除く): 44784480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1423, 1740, 2320, 2784, 2846, 3480, 4269, 4640, 5692, 6960, 7115, 8538, 11384, 13920, 14230, 17076, 21345, 22768, 28460, 34152, 41267, 42690, 45536, 56920, 68304, 82534, 85380, 113840, 123801, 136608, 165068, 170760, 206335, 227680, 247602, 330136, 341520, 412670, 495204, 619005, 660272, 683040, 825340, 990408, 1238010, 1320544, 1650680, 1980816, 2476020, 3301360, 3961632, 4952040, 6602720, 9904080, 19808160]

約数ペア:

[(1, 19808160), (2, 9904080), (3, 6602720), (4, 4952040), (5, 3961632), (6, 3301360), (8, 2476020), (10, 1980816), (12, 1650680), (15, 1320544), (16, 1238010), (20, 990408), (24, 825340), (29, 683040), (30, 660272), (32, 619005), (40, 495204), (48, 412670), (58, 341520), (60, 330136), (80, 247602), (87, 227680), (96, 206335), (116, 170760), (120, 165068), (145, 136608), (160, 123801), (174, 113840), (232, 85380), (240, 82534), (290, 68304), (348, 56920), (435, 45536), (464, 42690), (480, 41267), (580, 34152), (696, 28460), (870, 22768), (928, 21345), (1160, 17076), (1392, 14230), (1423, 13920), (1740, 11384), (2320, 8538), (2784, 7115), (2846, 6960), (3480, 5692), (4269, 4640)]