641082960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:746

約数の個数: 240

約数和(自身を含む): 2474484480

約数和(自身を除く): 1833401520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 311, 315, 336, 360, 409, 420, 504, 560, 622, 630, 720, 818, 840, 933, 1008, 1227, 1244, 1260, 1555, 1636, 1680, 1866, 2045, 2177, 2454, 2488, 2520, 2799, 2863, 3110, 3272, 3681, 3732, 4090, 4354, 4665, 4908, 4976, 5040, 5598, 5726, 6135, 6220, 6531, 6544, 7362, 7464, 8180, 8589, 8708, 9330, 9816, 10885, 11196, 11452, 12270, 12440, 13062, 13995, 14315, 14724, 14928, 16360, 17178, 17416, 18405, 18660, 19593, 19632, 21770, 22392, 22904, 24540, 24880, 25767, 26124, 27990, 28630, 29448, 32655, 32720, 34356, 34832, 36810, 37320, 39186, 42945, 43540, 44784, 45808, 49080, 51534, 52248, 55980, 57260, 58896, 65310, 68712, 73620, 74640, 78372, 85890, 87080, 97965, 98160, 103068, 104496, 111960, 114520, 127199, 128835, 130620, 137424, 147240, 156744, 171780, 174160, 195930, 206136, 223920, 229040, 254398, 257670, 261240, 294480, 313488, 343560, 381597, 391860, 412272, 508796, 515340, 522480, 635995, 687120, 763194, 783720, 890393, 1017592, 1030680, 1144791, 1271990, 1526388, 1567440, 1780786, 1907985, 2035184, 2061360, 2289582, 2543980, 2671179, 3052776, 3561572, 3815970, 4451965, 4579164, 5087960, 5342358, 5723955, 6105552, 7123144, 7631940, 8013537, 8903930, 9158328, 10175920, 10684716, 11447910, 13355895, 14246288, 15263880, 16027074, 17807860, 18316656, 21369432, 22895820, 26711790, 30527760, 32054148, 35615720, 40067685, 42738864, 45791640, 53423580, 64108296, 71231440, 80135370, 91583280, 106847160, 128216592, 160270740, 213694320, 320541480, 641082960]

約数ペア:

[(1, 641082960), (2, 320541480), (3, 213694320), (4, 160270740), (5, 128216592), (6, 106847160), (7, 91583280), (8, 80135370), (9, 71231440), (10, 64108296), (12, 53423580), (14, 45791640), (15, 42738864), (16, 40067685), (18, 35615720), (20, 32054148), (21, 30527760), (24, 26711790), (28, 22895820), (30, 21369432), (35, 18316656), (36, 17807860), (40, 16027074), (42, 15263880), (45, 14246288), (48, 13355895), (56, 11447910), (60, 10684716), (63, 10175920), (70, 9158328), (72, 8903930), (80, 8013537), (84, 7631940), (90, 7123144), (105, 6105552), (112, 5723955), (120, 5342358), (126, 5087960), (140, 4579164), (144, 4451965), (168, 3815970), (180, 3561572), (210, 3052776), (240, 2671179), (252, 2543980), (280, 2289582), (311, 2061360), (315, 2035184), (336, 1907985), (360, 1780786), (409, 1567440), (420, 1526388), (504, 1271990), (560, 1144791), (622, 1030680), (630, 1017592), (720, 890393), (818, 783720), (840, 763194), (933, 687120), (1008, 635995), (1227, 522480), (1244, 515340), (1260, 508796), (1555, 412272), (1636, 391860), (1680, 381597), (1866, 343560), (2045, 313488), (2177, 294480), (2454, 261240), (2488, 257670), (2520, 254398), (2799, 229040), (2863, 223920), (3110, 206136), (3272, 195930), (3681, 174160), (3732, 171780), (4090, 156744), (4354, 147240), (4665, 137424), (4908, 130620), (4976, 128835), (5040, 127199), (5598, 114520), (5726, 111960), (6135, 104496), (6220, 103068), (6531, 98160), (6544, 97965), (7362, 87080), (7464, 85890), (8180, 78372), (8589, 74640), (8708, 73620), (9330, 68712), (9816, 65310), (10885, 58896), (11196, 57260), (11452, 55980), (12270, 52248), (12440, 51534), (13062, 49080), (13995, 45808), (14315, 44784), (14724, 43540), (14928, 42945), (16360, 39186), (17178, 37320), (17416, 36810), (18405, 34832), (18660, 34356), (19593, 32720), (19632, 32655), (21770, 29448), (22392, 28630), (22904, 27990), (24540, 26124), (24880, 25767)]