820245456

素因数分解:

$2^4\times 3^2\times {\mathrm{271}}^1\times {\mathrm{21019}}^1$

素因数の和:21304

約数の個数: 60

約数和(自身を含む): 2304128320

約数和(自身を除く): 1483882864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 271, 542, 813, 1084, 1626, 2168, 2439, 3252, 4336, 4878, 6504, 9756, 13008, 19512, 21019, 39024, 42038, 63057, 84076, 126114, 168152, 189171, 252228, 336304, 378342, 504456, 756684, 1008912, 1513368, 3026736, 5696149, 11392298, 17088447, 22784596, 34176894, 45569192, 51265341, 68353788, 91138384, 102530682, 136707576, 205061364, 273415152, 410122728, 820245456]

約数ペア:

[(1, 820245456), (2, 410122728), (3, 273415152), (4, 205061364), (6, 136707576), (8, 102530682), (9, 91138384), (12, 68353788), (16, 51265341), (18, 45569192), (24, 34176894), (36, 22784596), (48, 17088447), (72, 11392298), (144, 5696149), (271, 3026736), (542, 1513368), (813, 1008912), (1084, 756684), (1626, 504456), (2168, 378342), (2439, 336304), (3252, 252228), (4336, 189171), (4878, 168152), (6504, 126114), (9756, 84076), (13008, 63057), (19512, 42038), (21019, 39024)]