205620660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 288

約数和(自身を含む): 785232000

約数和(自身を除く): 579611340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 378, 380, 399, 409, 420, 441, 490, 513, 532, 540, 570, 588, 630, 665, 684, 735, 756, 798, 818, 855, 882, 931, 945, 980, 1026, 1140, 1197, 1227, 1260, 1323, 1330, 1470, 1596, 1636, 1710, 1764, 1862, 1890, 1995, 2045, 2052, 2205, 2394, 2454, 2565, 2646, 2660, 2793, 2863, 2940, 3420, 3591, 3681, 3724, 3780, 3990, 4090, 4410, 4655, 4788, 4908, 5130, 5292, 5586, 5726, 5985, 6135, 6615, 7182, 7362, 7771, 7980, 8180, 8379, 8589, 8820, 9310, 10260, 11043, 11172, 11452, 11970, 12270, 13230, 13965, 14315, 14364, 14724, 15542, 16758, 17178, 17955, 18405, 18620, 20041, 22086, 23313, 23940, 24540, 25137, 25767, 26460, 27930, 28630, 31084, 33516, 34356, 35910, 36810, 38855, 40082, 41895, 42945, 44172, 46626, 50274, 51534, 54397, 55215, 55860, 57260, 60123, 69939, 71820, 73620, 77301, 77710, 80164, 83790, 85890, 93252, 100205, 100548, 103068, 108794, 110430, 116565, 120246, 125685, 128835, 139878, 154602, 155420, 163191, 167580, 171780, 180369, 200410, 209817, 217588, 220860, 233130, 240492, 251370, 257670, 271985, 279756, 300615, 309204, 326382, 349695, 360738, 380779, 386505, 400820, 419634, 466260, 489573, 502740, 515340, 541107, 543970, 601230, 652764, 699390, 721476, 761558, 773010, 815955, 839268, 901845, 979146, 1049085, 1082214, 1087940, 1142337, 1202460, 1398780, 1468719, 1523116, 1546020, 1631910, 1803690, 1903895, 1958292, 2098170, 2164428, 2284674, 2447865, 2705535, 2937438, 3263820, 3427011, 3607380, 3807790, 4196340, 4569348, 4895730, 5411070, 5711685, 5874876, 6854022, 7343595, 7615580, 9791460, 10281033, 10822140, 11423370, 13708044, 14687190, 17135055, 20562066, 22846740, 29374380, 34270110, 41124132, 51405165, 68540220, 102810330, 205620660]

約数ペア:

[(1, 205620660), (2, 102810330), (3, 68540220), (4, 51405165), (5, 41124132), (6, 34270110), (7, 29374380), (9, 22846740), (10, 20562066), (12, 17135055), (14, 14687190), (15, 13708044), (18, 11423370), (19, 10822140), (20, 10281033), (21, 9791460), (27, 7615580), (28, 7343595), (30, 6854022), (35, 5874876), (36, 5711685), (38, 5411070), (42, 4895730), (45, 4569348), (49, 4196340), (54, 3807790), (57, 3607380), (60, 3427011), (63, 3263820), (70, 2937438), (76, 2705535), (84, 2447865), (90, 2284674), (95, 2164428), (98, 2098170), (105, 1958292), (108, 1903895), (114, 1803690), (126, 1631910), (133, 1546020), (135, 1523116), (140, 1468719), (147, 1398780), (171, 1202460), (180, 1142337), (189, 1087940), (190, 1082214), (196, 1049085), (210, 979146), (228, 901845), (245, 839268), (252, 815955), (266, 773010), (270, 761558), (285, 721476), (294, 699390), (315, 652764), (342, 601230), (378, 543970), (380, 541107), (399, 515340), (409, 502740), (420, 489573), (441, 466260), (490, 419634), (513, 400820), (532, 386505), (540, 380779), (570, 360738), (588, 349695), (630, 326382), (665, 309204), (684, 300615), (735, 279756), (756, 271985), (798, 257670), (818, 251370), (855, 240492), (882, 233130), (931, 220860), (945, 217588), (980, 209817), (1026, 200410), (1140, 180369), (1197, 171780), (1227, 167580), (1260, 163191), (1323, 155420), (1330, 154602), (1470, 139878), (1596, 128835), (1636, 125685), (1710, 120246), (1764, 116565), (1862, 110430), (1890, 108794), (1995, 103068), (2045, 100548), (2052, 100205), (2205, 93252), (2394, 85890), (2454, 83790), (2565, 80164), (2646, 77710), (2660, 77301), (2793, 73620), (2863, 71820), (2940, 69939), (3420, 60123), (3591, 57260), (3681, 55860), (3724, 55215), (3780, 54397), (3990, 51534), (4090, 50274), (4410, 46626), (4655, 44172), (4788, 42945), (4908, 41895), (5130, 40082), (5292, 38855), (5586, 36810), (5726, 35910), (5985, 34356), (6135, 33516), (6615, 31084), (7182, 28630), (7362, 27930), (7771, 26460), (7980, 25767), (8180, 25137), (8379, 24540), (8589, 23940), (8820, 23313), (9310, 22086), (10260, 20041), (11043, 18620), (11172, 18405), (11452, 17955), (11970, 17178), (12270, 16758), (13230, 15542), (13965, 14724), (14315, 14364)]