206820180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 216

約数和(自身を含む): 739458720

約数和(自身を除く): 532638540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 131, 140, 147, 179, 180, 196, 210, 245, 252, 262, 294, 315, 358, 393, 420, 441, 490, 524, 537, 588, 630, 655, 716, 735, 786, 882, 895, 917, 980, 1074, 1179, 1253, 1260, 1310, 1470, 1572, 1611, 1764, 1790, 1834, 1965, 2148, 2205, 2358, 2506, 2620, 2685, 2751, 2940, 3222, 3580, 3668, 3759, 3930, 4410, 4585, 4716, 5012, 5370, 5502, 5895, 6265, 6419, 6444, 7518, 7860, 8055, 8253, 8771, 8820, 9170, 10740, 11004, 11277, 11790, 12530, 12838, 13755, 15036, 16110, 16506, 17542, 18340, 18795, 19257, 22554, 23449, 23580, 25060, 25676, 26313, 27510, 32095, 32220, 33012, 35084, 37590, 38514, 41265, 43855, 45108, 46898, 52626, 55020, 56385, 57771, 64190, 70347, 75180, 77028, 78939, 82530, 87710, 93796, 96285, 105252, 112770, 115542, 117245, 128380, 131565, 140694, 157878, 164143, 165060, 175420, 192570, 211041, 225540, 231084, 234490, 263130, 281388, 288855, 315756, 328286, 351735, 385140, 394695, 422082, 468980, 492429, 526260, 577710, 656572, 703470, 789390, 820715, 844164, 984858, 1055205, 1149001, 1155420, 1406940, 1477287, 1578780, 1641430, 1969716, 2110410, 2298002, 2462145, 2954574, 3282860, 3447003, 4220820, 4596004, 4924290, 5745005, 5909148, 6894006, 7386435, 9848580, 10341009, 11490010, 13788012, 14772870, 17235015, 20682018, 22980020, 29545740, 34470030, 41364036, 51705045, 68940060, 103410090, 206820180]

約数ペア:

[(1, 206820180), (2, 103410090), (3, 68940060), (4, 51705045), (5, 41364036), (6, 34470030), (7, 29545740), (9, 22980020), (10, 20682018), (12, 17235015), (14, 14772870), (15, 13788012), (18, 11490010), (20, 10341009), (21, 9848580), (28, 7386435), (30, 6894006), (35, 5909148), (36, 5745005), (42, 4924290), (45, 4596004), (49, 4220820), (60, 3447003), (63, 3282860), (70, 2954574), (84, 2462145), (90, 2298002), (98, 2110410), (105, 1969716), (126, 1641430), (131, 1578780), (140, 1477287), (147, 1406940), (179, 1155420), (180, 1149001), (196, 1055205), (210, 984858), (245, 844164), (252, 820715), (262, 789390), (294, 703470), (315, 656572), (358, 577710), (393, 526260), (420, 492429), (441, 468980), (490, 422082), (524, 394695), (537, 385140), (588, 351735), (630, 328286), (655, 315756), (716, 288855), (735, 281388), (786, 263130), (882, 234490), (895, 231084), (917, 225540), (980, 211041), (1074, 192570), (1179, 175420), (1253, 165060), (1260, 164143), (1310, 157878), (1470, 140694), (1572, 131565), (1611, 128380), (1764, 117245), (1790, 115542), (1834, 112770), (1965, 105252), (2148, 96285), (2205, 93796), (2358, 87710), (2506, 82530), (2620, 78939), (2685, 77028), (2751, 75180), (2940, 70347), (3222, 64190), (3580, 57771), (3668, 56385), (3759, 55020), (3930, 52626), (4410, 46898), (4585, 45108), (4716, 43855), (5012, 41265), (5370, 38514), (5502, 37590), (5895, 35084), (6265, 33012), (6419, 32220), (6444, 32095), (7518, 27510), (7860, 26313), (8055, 25676), (8253, 25060), (8771, 23580), (8820, 23449), (9170, 22554), (10740, 19257), (11004, 18795), (11277, 18340), (11790, 17542), (12530, 16506), (12838, 16110), (13755, 15036)]