1320703040

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:772

約数の個数: 112

約数和(自身を含む): 3226003200

約数和(自身を除く): 1905300160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 89, 158, 160, 178, 316, 320, 356, 395, 445, 587, 632, 712, 790, 890, 1174, 1264, 1424, 1580, 1780, 2348, 2528, 2848, 2935, 3160, 3560, 4696, 5056, 5696, 5870, 6320, 7031, 7120, 9392, 11740, 12640, 14062, 14240, 18784, 23480, 25280, 28124, 28480, 35155, 37568, 46373, 46960, 52243, 56248, 70310, 92746, 93920, 104486, 112496, 140620, 185492, 187840, 208972, 224992, 231865, 261215, 281240, 370984, 417944, 449984, 463730, 522430, 562480, 741968, 835888, 927460, 1044860, 1124960, 1483936, 1671776, 1854920, 2089720, 2249920, 2967872, 3343552, 3709840, 4127197, 4179440, 7419680, 8254394, 8358880, 14839360, 16508788, 16717760, 20635985, 33017576, 41271970, 66035152, 82543940, 132070304, 165087880, 264140608, 330175760, 660351520, 1320703040]

約数ペア:

[(1, 1320703040), (2, 660351520), (4, 330175760), (5, 264140608), (8, 165087880), (10, 132070304), (16, 82543940), (20, 66035152), (32, 41271970), (40, 33017576), (64, 20635985), (79, 16717760), (80, 16508788), (89, 14839360), (158, 8358880), (160, 8254394), (178, 7419680), (316, 4179440), (320, 4127197), (356, 3709840), (395, 3343552), (445, 2967872), (587, 2249920), (632, 2089720), (712, 1854920), (790, 1671776), (890, 1483936), (1174, 1124960), (1264, 1044860), (1424, 927460), (1580, 835888), (1780, 741968), (2348, 562480), (2528, 522430), (2848, 463730), (2935, 449984), (3160, 417944), (3560, 370984), (4696, 281240), (5056, 261215), (5696, 231865), (5870, 224992), (6320, 208972), (7031, 187840), (7120, 185492), (9392, 140620), (11740, 112496), (12640, 104486), (14062, 93920), (14240, 92746), (18784, 70310), (23480, 56248), (25280, 52243), (28124, 46960), (28480, 46373), (35155, 37568)]