120720320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{7699}}^1$

素因数の和:7730

約数の個数: 84

約数和(自身を含む): 334441800

約数和(自身を除く): 213721480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7699, 7840, 15398, 15680, 30796, 38495, 53893, 61592, 76990, 107786, 123184, 153980, 215572, 246368, 269465, 307960, 377251, 431144, 492736, 538930, 615920, 754502, 862288, 1077860, 1231840, 1509004, 1724576, 1886255, 2155720, 2463680, 3018008, 3449152, 3772510, 4311440, 6036016, 7545020, 8622880, 12072032, 15090040, 17245760, 24144064, 30180080, 60360160, 120720320]

約数ペア:

[(1, 120720320), (2, 60360160), (4, 30180080), (5, 24144064), (7, 17245760), (8, 15090040), (10, 12072032), (14, 8622880), (16, 7545020), (20, 6036016), (28, 4311440), (32, 3772510), (35, 3449152), (40, 3018008), (49, 2463680), (56, 2155720), (64, 1886255), (70, 1724576), (80, 1509004), (98, 1231840), (112, 1077860), (140, 862288), (160, 754502), (196, 615920), (224, 538930), (245, 492736), (280, 431144), (320, 377251), (392, 307960), (448, 269465), (490, 246368), (560, 215572), (784, 153980), (980, 123184), (1120, 107786), (1568, 76990), (1960, 61592), (2240, 53893), (3136, 38495), (3920, 30796), (7699, 15680), (7840, 15398)]