645067008

素因数分解:

$2^8\times 3^2\times {\mathrm{279977}}^1$

素因数の和:279999

約数の個数: 54

約数和(自身を含む): 1859893854

約数和(自身を除く): 1214826846

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 279977, 559954, 839931, 1119908, 1679862, 2239816, 2519793, 3359724, 4479632, 5039586, 6719448, 8959264, 10079172, 13438896, 17918528, 20158344, 26877792, 35837056, 40316688, 53755584, 71674112, 80633376, 107511168, 161266752, 215022336, 322533504, 645067008]

約数ペア:

[(1, 645067008), (2, 322533504), (3, 215022336), (4, 161266752), (6, 107511168), (8, 80633376), (9, 71674112), (12, 53755584), (16, 40316688), (18, 35837056), (24, 26877792), (32, 20158344), (36, 17918528), (48, 13438896), (64, 10079172), (72, 8959264), (96, 6719448), (128, 5039586), (144, 4479632), (192, 3359724), (256, 2519793), (288, 2239816), (384, 1679862), (576, 1119908), (768, 839931), (1152, 559954), (2304, 279977)]