71808660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 288

約数和(自身を含む): 282428160

約数和(自身を除く): 210619500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 121, 126, 132, 135, 140, 154, 157, 165, 180, 189, 198, 210, 220, 231, 242, 252, 270, 297, 308, 314, 315, 330, 363, 378, 385, 396, 420, 462, 471, 484, 495, 540, 594, 605, 628, 630, 660, 693, 726, 756, 770, 785, 847, 924, 942, 945, 990, 1089, 1099, 1155, 1188, 1210, 1260, 1386, 1413, 1452, 1485, 1540, 1570, 1694, 1727, 1815, 1884, 1890, 1980, 2079, 2178, 2198, 2310, 2355, 2420, 2541, 2772, 2826, 2970, 3140, 3267, 3297, 3388, 3454, 3465, 3630, 3780, 4158, 4235, 4239, 4356, 4396, 4620, 4710, 5082, 5181, 5445, 5495, 5652, 5940, 6534, 6594, 6908, 6930, 7065, 7260, 7623, 8316, 8470, 8478, 8635, 9420, 9891, 10164, 10362, 10395, 10890, 10990, 12089, 12705, 13068, 13188, 13860, 14130, 15246, 15543, 16335, 16485, 16940, 16956, 17270, 18997, 19782, 20724, 20790, 21195, 21780, 21980, 22869, 24178, 25410, 25905, 28260, 29673, 30492, 31086, 32670, 32970, 34540, 36267, 37994, 38115, 39564, 41580, 42390, 45738, 46629, 48356, 49455, 50820, 51810, 56991, 59346, 60445, 62172, 65340, 65940, 72534, 75988, 76230, 77715, 84780, 91476, 93258, 94985, 98910, 103620, 108801, 113982, 114345, 118692, 120890, 132979, 145068, 148365, 152460, 155430, 170973, 181335, 186516, 189970, 197820, 217602, 227964, 228690, 233145, 241780, 265958, 284955, 296730, 310860, 326403, 341946, 362670, 379940, 398937, 435204, 457380, 466290, 512919, 531916, 544005, 569910, 593460, 652806, 664895, 683892, 725340, 797874, 854865, 932580, 1025838, 1088010, 1139820, 1196811, 1305612, 1329790, 1595748, 1632015, 1709730, 1994685, 2051676, 2176020, 2393622, 2564595, 2659580, 3264030, 3419460, 3590433, 3989370, 4787244, 5129190, 5984055, 6528060, 7180866, 7978740, 10258380, 11968110, 14361732, 17952165, 23936220, 35904330, 71808660]

約数ペア:

[(1, 71808660), (2, 35904330), (3, 23936220), (4, 17952165), (5, 14361732), (6, 11968110), (7, 10258380), (9, 7978740), (10, 7180866), (11, 6528060), (12, 5984055), (14, 5129190), (15, 4787244), (18, 3989370), (20, 3590433), (21, 3419460), (22, 3264030), (27, 2659580), (28, 2564595), (30, 2393622), (33, 2176020), (35, 2051676), (36, 1994685), (42, 1709730), (44, 1632015), (45, 1595748), (54, 1329790), (55, 1305612), (60, 1196811), (63, 1139820), (66, 1088010), (70, 1025838), (77, 932580), (84, 854865), (90, 797874), (99, 725340), (105, 683892), (108, 664895), (110, 652806), (121, 593460), (126, 569910), (132, 544005), (135, 531916), (140, 512919), (154, 466290), (157, 457380), (165, 435204), (180, 398937), (189, 379940), (198, 362670), (210, 341946), (220, 326403), (231, 310860), (242, 296730), (252, 284955), (270, 265958), (297, 241780), (308, 233145), (314, 228690), (315, 227964), (330, 217602), (363, 197820), (378, 189970), (385, 186516), (396, 181335), (420, 170973), (462, 155430), (471, 152460), (484, 148365), (495, 145068), (540, 132979), (594, 120890), (605, 118692), (628, 114345), (630, 113982), (660, 108801), (693, 103620), (726, 98910), (756, 94985), (770, 93258), (785, 91476), (847, 84780), (924, 77715), (942, 76230), (945, 75988), (990, 72534), (1089, 65940), (1099, 65340), (1155, 62172), (1188, 60445), (1210, 59346), (1260, 56991), (1386, 51810), (1413, 50820), (1452, 49455), (1485, 48356), (1540, 46629), (1570, 45738), (1694, 42390), (1727, 41580), (1815, 39564), (1884, 38115), (1890, 37994), (1980, 36267), (2079, 34540), (2178, 32970), (2198, 32670), (2310, 31086), (2355, 30492), (2420, 29673), (2541, 28260), (2772, 25905), (2826, 25410), (2970, 24178), (3140, 22869), (3267, 21980), (3297, 21780), (3388, 21195), (3454, 20790), (3465, 20724), (3630, 19782), (3780, 18997), (4158, 17270), (4235, 16956), (4239, 16940), (4356, 16485), (4396, 16335), (4620, 15543), (4710, 15246), (5082, 14130), (5181, 13860), (5445, 13188), (5495, 13068), (5652, 12705), (5940, 12089), (6534, 10990), (6594, 10890), (6908, 10395), (6930, 10362), (7065, 10164), (7260, 9891), (7623, 9420), (8316, 8635), (8470, 8478)]