668528120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{55897}}^1$

素因数の和:55944

約数の個数: 64

約数和(自身を含む): 1690355520

約数和(自身を除く): 1021827400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 55897, 111794, 223588, 279485, 447176, 558970, 726661, 1117940, 1285631, 1453322, 2235880, 2571262, 2906644, 3633305, 5142524, 5813288, 6428155, 7266610, 10285048, 12856310, 14533220, 16713203, 25712620, 29066440, 33426406, 51425240, 66852812, 83566015, 133705624, 167132030, 334264060, 668528120]

約数ペア:

[(1, 668528120), (2, 334264060), (4, 167132030), (5, 133705624), (8, 83566015), (10, 66852812), (13, 51425240), (20, 33426406), (23, 29066440), (26, 25712620), (40, 16713203), (46, 14533220), (52, 12856310), (65, 10285048), (92, 7266610), (104, 6428155), (115, 5813288), (130, 5142524), (184, 3633305), (230, 2906644), (260, 2571262), (299, 2235880), (460, 1453322), (520, 1285631), (598, 1117940), (920, 726661), (1196, 558970), (1495, 447176), (2392, 279485), (2990, 223588), (5980, 111794), (11960, 55897)]