1780452469120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213996691}}^1$

素因数の和:213996723

約数の個数: 64

約数和(自身を含む): 4583809142640

約数和(自身を除く): 2803356673520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 213996691, 427993382, 855986764, 1069983455, 1711973528, 2139966910, 2781956983, 3423947056, 4279933820, 5563913966, 6847894112, 8559867640, 11127827932, 13695788224, 13909784915, 17119735280, 22255655864, 27391576448, 27819569830, 34239470560, 44511311728, 55639139660, 68478941120, 89022623456, 111278279320, 136957882240, 178045246912, 222556558640, 356090493824, 445113117280, 890226234560, 1780452469120]

約数ペア:

[(1, 1780452469120), (2, 890226234560), (4, 445113117280), (5, 356090493824), (8, 222556558640), (10, 178045246912), (13, 136957882240), (16, 111278279320), (20, 89022623456), (26, 68478941120), (32, 55639139660), (40, 44511311728), (52, 34239470560), (64, 27819569830), (65, 27391576448), (80, 22255655864), (104, 17119735280), (128, 13909784915), (130, 13695788224), (160, 11127827932), (208, 8559867640), (260, 6847894112), (320, 5563913966), (416, 4279933820), (520, 3423947056), (640, 2781956983), (832, 2139966910), (1040, 1711973528), (1664, 1069983455), (2080, 855986764), (4160, 427993382), (8320, 213996691)]