634607720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 1553610240

約数和(自身を除く): 919002520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 103, 115, 148, 181, 184, 185, 206, 230, 296, 362, 370, 412, 460, 515, 724, 740, 824, 851, 905, 920, 1030, 1448, 1480, 1702, 1810, 2060, 2369, 3404, 3620, 3811, 4120, 4163, 4255, 4738, 6697, 6808, 7240, 7622, 8326, 8510, 9476, 11845, 13394, 15244, 16652, 17020, 18643, 18952, 19055, 20815, 23690, 26788, 30488, 33304, 33485, 34040, 37286, 38110, 41630, 47380, 53576, 66970, 74572, 76220, 83260, 87653, 93215, 94760, 133940, 149144, 152440, 154031, 166520, 175306, 186430, 267880, 308062, 350612, 372860, 428789, 438265, 616124, 689791, 701224, 745720, 770155, 857578, 876530, 1232248, 1379582, 1540310, 1715156, 1753060, 2143945, 2759164, 3080620, 3430312, 3448955, 3506120, 4287890, 5518328, 6161240, 6897910, 8575780, 13795820, 15865193, 17151560, 27591640, 31730386, 63460772, 79325965, 126921544, 158651930, 317303860, 634607720]

約数ペア:

[(1, 634607720), (2, 317303860), (4, 158651930), (5, 126921544), (8, 79325965), (10, 63460772), (20, 31730386), (23, 27591640), (37, 17151560), (40, 15865193), (46, 13795820), (74, 8575780), (92, 6897910), (103, 6161240), (115, 5518328), (148, 4287890), (181, 3506120), (184, 3448955), (185, 3430312), (206, 3080620), (230, 2759164), (296, 2143945), (362, 1753060), (370, 1715156), (412, 1540310), (460, 1379582), (515, 1232248), (724, 876530), (740, 857578), (824, 770155), (851, 745720), (905, 701224), (920, 689791), (1030, 616124), (1448, 438265), (1480, 428789), (1702, 372860), (1810, 350612), (2060, 308062), (2369, 267880), (3404, 186430), (3620, 175306), (3811, 166520), (4120, 154031), (4163, 152440), (4255, 149144), (4738, 133940), (6697, 94760), (6808, 93215), (7240, 87653), (7622, 83260), (8326, 76220), (8510, 74572), (9476, 66970), (11845, 53576), (13394, 47380), (15244, 41630), (16652, 38110), (17020, 37286), (18643, 34040), (18952, 33485), (19055, 33304), (20815, 30488), (23690, 26788)]