320095568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 689955840

約数和(自身を除く): 369860272

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 137, 188, 208, 239, 274, 376, 478, 548, 611, 752, 956, 1096, 1222, 1781, 1912, 2192, 2444, 3107, 3562, 3824, 4888, 6214, 6439, 7124, 9776, 11233, 12428, 12878, 14248, 22466, 24856, 25756, 28496, 32743, 44932, 49712, 51512, 65486, 83707, 89864, 103024, 130972, 146029, 167414, 179728, 261944, 292058, 334828, 425659, 523888, 584116, 669656, 851318, 1168232, 1339312, 1538921, 1702636, 2336464, 3077842, 3405272, 6155684, 6810544, 12311368, 20005973, 24622736, 40011946, 80023892, 160047784, 320095568]

約数ペア:

[(1, 320095568), (2, 160047784), (4, 80023892), (8, 40011946), (13, 24622736), (16, 20005973), (26, 12311368), (47, 6810544), (52, 6155684), (94, 3405272), (104, 3077842), (137, 2336464), (188, 1702636), (208, 1538921), (239, 1339312), (274, 1168232), (376, 851318), (478, 669656), (548, 584116), (611, 523888), (752, 425659), (956, 334828), (1096, 292058), (1222, 261944), (1781, 179728), (1912, 167414), (2192, 146029), (2444, 130972), (3107, 103024), (3562, 89864), (3824, 83707), (4888, 65486), (6214, 51512), (6439, 49712), (7124, 44932), (9776, 32743), (11233, 28496), (12428, 25756), (12878, 24856), (14248, 22466)]