1285291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{176551}}^1$

素因数の和:176584

約数の個数: 80

約数和(自身を含む): 3677931264

約数和(自身を除く): 2392639984

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 176551, 353102, 706204, 882755, 1235857, 1412408, 1765510, 2295163, 2471714, 2824816, 3531020, 4590326, 4943428, 6179285, 7062040, 9180652, 9886856, 11475815, 12358570, 14124080, 16066141, 18361304, 19773712, 22951630, 24717140, 32132282, 36722608, 45903260, 49434280, 64264564, 80330705, 91806520, 98868560, 128529128, 160661410, 183613040, 257058256, 321322820, 642645640, 1285291280]

約数ペア:

[(1, 1285291280), (2, 642645640), (4, 321322820), (5, 257058256), (7, 183613040), (8, 160661410), (10, 128529128), (13, 98868560), (14, 91806520), (16, 80330705), (20, 64264564), (26, 49434280), (28, 45903260), (35, 36722608), (40, 32132282), (52, 24717140), (56, 22951630), (65, 19773712), (70, 18361304), (80, 16066141), (91, 14124080), (104, 12358570), (112, 11475815), (130, 9886856), (140, 9180652), (182, 7062040), (208, 6179285), (260, 4943428), (280, 4590326), (364, 3531020), (455, 2824816), (520, 2471714), (560, 2295163), (728, 1765510), (910, 1412408), (1040, 1235857), (1456, 882755), (1820, 706204), (3640, 353102), (7280, 176551)]