217200780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1624

約数の個数: 144

約数和(自身を含む): 710892000

約数和(自身を除く): 493691220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 615, 684, 738, 779, 820, 855, 1140, 1230, 1476, 1549, 1558, 1710, 1845, 2337, 2460, 3098, 3116, 3420, 3690, 3895, 4647, 4674, 6196, 7011, 7380, 7745, 7790, 9294, 9348, 11685, 13941, 14022, 15490, 15580, 18588, 23235, 23370, 27882, 28044, 29431, 30980, 35055, 46470, 46740, 55764, 58862, 63509, 69705, 70110, 88293, 92940, 117724, 127018, 139410, 140220, 147155, 176586, 190527, 254036, 264879, 278820, 294310, 317545, 353172, 381054, 441465, 529758, 571581, 588620, 635090, 762108, 882930, 952635, 1059516, 1143162, 1206671, 1270180, 1324395, 1765860, 1905270, 2286324, 2413342, 2648790, 2857905, 3620013, 3810540, 4826684, 5297580, 5715810, 6033355, 7240026, 10860039, 11431620, 12066710, 14480052, 18100065, 21720078, 24133420, 36200130, 43440156, 54300195, 72400260, 108600390, 217200780]

約数ペア:

[(1, 217200780), (2, 108600390), (3, 72400260), (4, 54300195), (5, 43440156), (6, 36200130), (9, 24133420), (10, 21720078), (12, 18100065), (15, 14480052), (18, 12066710), (19, 11431620), (20, 10860039), (30, 7240026), (36, 6033355), (38, 5715810), (41, 5297580), (45, 4826684), (57, 3810540), (60, 3620013), (76, 2857905), (82, 2648790), (90, 2413342), (95, 2286324), (114, 1905270), (123, 1765860), (164, 1324395), (171, 1270180), (180, 1206671), (190, 1143162), (205, 1059516), (228, 952635), (246, 882930), (285, 762108), (342, 635090), (369, 588620), (380, 571581), (410, 529758), (492, 441465), (570, 381054), (615, 353172), (684, 317545), (738, 294310), (779, 278820), (820, 264879), (855, 254036), (1140, 190527), (1230, 176586), (1476, 147155), (1549, 140220), (1558, 139410), (1710, 127018), (1845, 117724), (2337, 92940), (2460, 88293), (3098, 70110), (3116, 69705), (3420, 63509), (3690, 58862), (3895, 55764), (4647, 46740), (4674, 46470), (6196, 35055), (7011, 30980), (7380, 29431), (7745, 28044), (7790, 27882), (9294, 23370), (9348, 23235), (11685, 18588), (13941, 15580), (14022, 15490)]