7719052120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4729}}^1$

素因数の和:4869

約数の個数: 128

約数和(自身を含む): 19405108800

約数和(自身を除く): 11686056680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 73, 86, 104, 130, 146, 172, 215, 260, 292, 344, 365, 430, 520, 559, 584, 730, 860, 949, 1118, 1460, 1720, 1898, 2236, 2795, 2920, 3139, 3796, 4472, 4729, 4745, 5590, 6278, 7592, 9458, 9490, 11180, 12556, 15695, 18916, 18980, 22360, 23645, 25112, 31390, 37832, 37960, 40807, 47290, 61477, 62780, 81614, 94580, 122954, 125560, 163228, 189160, 203347, 204035, 245908, 307385, 326456, 345217, 406694, 408070, 491816, 614770, 690434, 813388, 816140, 1016735, 1229540, 1380868, 1626776, 1632280, 1726085, 2033470, 2459080, 2643511, 2761736, 3452170, 4066940, 4487821, 5287022, 6904340, 8133880, 8975642, 10574044, 13217555, 13808680, 14844331, 17951284, 21148088, 22439105, 26435110, 29688662, 35902568, 44878210, 52870220, 59377324, 74221655, 89756420, 105740440, 118754648, 148443310, 179512840, 192976303, 296886620, 385952606, 593773240, 771905212, 964881515, 1543810424, 1929763030, 3859526060, 7719052120]

約数ペア:

[(1, 7719052120), (2, 3859526060), (4, 1929763030), (5, 1543810424), (8, 964881515), (10, 771905212), (13, 593773240), (20, 385952606), (26, 296886620), (40, 192976303), (43, 179512840), (52, 148443310), (65, 118754648), (73, 105740440), (86, 89756420), (104, 74221655), (130, 59377324), (146, 52870220), (172, 44878210), (215, 35902568), (260, 29688662), (292, 26435110), (344, 22439105), (365, 21148088), (430, 17951284), (520, 14844331), (559, 13808680), (584, 13217555), (730, 10574044), (860, 8975642), (949, 8133880), (1118, 6904340), (1460, 5287022), (1720, 4487821), (1898, 4066940), (2236, 3452170), (2795, 2761736), (2920, 2643511), (3139, 2459080), (3796, 2033470), (4472, 1726085), (4729, 1632280), (4745, 1626776), (5590, 1380868), (6278, 1229540), (7592, 1016735), (9458, 816140), (9490, 813388), (11180, 690434), (12556, 614770), (15695, 491816), (18916, 408070), (18980, 406694), (22360, 345217), (23645, 326456), (25112, 307385), (31390, 245908), (37832, 204035), (37960, 203347), (40807, 189160), (47290, 163228), (61477, 125560), (62780, 122954), (81614, 94580)]