291881520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2052

約数の個数: 240

約数和(自身を含む): 1159479360

約数和(自身を除く): 867597840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 112, 116, 120, 126, 140, 144, 145, 168, 174, 180, 203, 210, 232, 240, 252, 261, 280, 290, 315, 336, 348, 360, 406, 420, 435, 464, 504, 522, 560, 580, 609, 630, 696, 720, 812, 840, 870, 1008, 1015, 1044, 1160, 1218, 1260, 1305, 1392, 1624, 1680, 1740, 1827, 1997, 2030, 2088, 2320, 2436, 2520, 2610, 3045, 3248, 3480, 3654, 3994, 4060, 4176, 4872, 5040, 5220, 5991, 6090, 6960, 7308, 7988, 8120, 9135, 9744, 9985, 10440, 11982, 12180, 13979, 14616, 15976, 16240, 17973, 18270, 19970, 20880, 23964, 24360, 27958, 29232, 29955, 31952, 35946, 36540, 39940, 41937, 47928, 48720, 55916, 57913, 59910, 69895, 71892, 73080, 79880, 83874, 89865, 95856, 111832, 115826, 119820, 125811, 139790, 143784, 146160, 159760, 167748, 173739, 179730, 209685, 223664, 231652, 239640, 251622, 279580, 287568, 289565, 335496, 347478, 359460, 405391, 419370, 463304, 479280, 503244, 521217, 559160, 579130, 629055, 670992, 694956, 718920, 810782, 838740, 868695, 926608, 1006488, 1042434, 1118320, 1158260, 1216173, 1258110, 1389912, 1437840, 1621564, 1677480, 1737390, 2012976, 2026955, 2084868, 2316520, 2432346, 2516220, 2606085, 2779824, 3243128, 3354960, 3474780, 3648519, 4053910, 4169736, 4633040, 4864692, 5032440, 5212170, 6080865, 6486256, 6949560, 7297038, 8107820, 8339472, 9729384, 10064880, 10424340, 12161730, 13899120, 14594076, 16215640, 18242595, 19458768, 20848680, 24323460, 29188152, 32431280, 36485190, 41697360, 48646920, 58376304, 72970380, 97293840, 145940760, 291881520]

約数ペア:

[(1, 291881520), (2, 145940760), (3, 97293840), (4, 72970380), (5, 58376304), (6, 48646920), (7, 41697360), (8, 36485190), (9, 32431280), (10, 29188152), (12, 24323460), (14, 20848680), (15, 19458768), (16, 18242595), (18, 16215640), (20, 14594076), (21, 13899120), (24, 12161730), (28, 10424340), (29, 10064880), (30, 9729384), (35, 8339472), (36, 8107820), (40, 7297038), (42, 6949560), (45, 6486256), (48, 6080865), (56, 5212170), (58, 5032440), (60, 4864692), (63, 4633040), (70, 4169736), (72, 4053910), (80, 3648519), (84, 3474780), (87, 3354960), (90, 3243128), (105, 2779824), (112, 2606085), (116, 2516220), (120, 2432346), (126, 2316520), (140, 2084868), (144, 2026955), (145, 2012976), (168, 1737390), (174, 1677480), (180, 1621564), (203, 1437840), (210, 1389912), (232, 1258110), (240, 1216173), (252, 1158260), (261, 1118320), (280, 1042434), (290, 1006488), (315, 926608), (336, 868695), (348, 838740), (360, 810782), (406, 718920), (420, 694956), (435, 670992), (464, 629055), (504, 579130), (522, 559160), (560, 521217), (580, 503244), (609, 479280), (630, 463304), (696, 419370), (720, 405391), (812, 359460), (840, 347478), (870, 335496), (1008, 289565), (1015, 287568), (1044, 279580), (1160, 251622), (1218, 239640), (1260, 231652), (1305, 223664), (1392, 209685), (1624, 179730), (1680, 173739), (1740, 167748), (1827, 159760), (1997, 146160), (2030, 143784), (2088, 139790), (2320, 125811), (2436, 119820), (2520, 115826), (2610, 111832), (3045, 95856), (3248, 89865), (3480, 83874), (3654, 79880), (3994, 73080), (4060, 71892), (4176, 69895), (4872, 59910), (5040, 57913), (5220, 55916), (5991, 48720), (6090, 47928), (6960, 41937), (7308, 39940), (7988, 36540), (8120, 35946), (9135, 31952), (9744, 29955), (9985, 29232), (10440, 27958), (11982, 24360), (12180, 23964), (13979, 20880), (14616, 19970), (15976, 18270), (16240, 17973)]