991811760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17291}}^1$

素因数の和:17546

約数の個数: 80

約数和(自身を含む): 3087659520

約数和(自身を除く): 2095847760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3824, 4780, 5736, 7170, 9560, 11472, 14340, 17291, 19120, 28680, 34582, 51873, 57360, 69164, 86455, 103746, 138328, 172910, 207492, 259365, 276656, 345820, 414984, 518730, 691640, 829968, 1037460, 1383280, 2074920, 4132549, 4149840, 8265098, 12397647, 16530196, 20662745, 24795294, 33060392, 41325490, 49590588, 61988235, 66120784, 82650980, 99181176, 123976470, 165301960, 198362352, 247952940, 330603920, 495905880, 991811760]

約数ペア:

[(1, 991811760), (2, 495905880), (3, 330603920), (4, 247952940), (5, 198362352), (6, 165301960), (8, 123976470), (10, 99181176), (12, 82650980), (15, 66120784), (16, 61988235), (20, 49590588), (24, 41325490), (30, 33060392), (40, 24795294), (48, 20662745), (60, 16530196), (80, 12397647), (120, 8265098), (239, 4149840), (240, 4132549), (478, 2074920), (717, 1383280), (956, 1037460), (1195, 829968), (1434, 691640), (1912, 518730), (2390, 414984), (2868, 345820), (3585, 276656), (3824, 259365), (4780, 207492), (5736, 172910), (7170, 138328), (9560, 103746), (11472, 86455), (14340, 69164), (17291, 57360), (19120, 51873), (28680, 34582)]