19910522520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28319}}^1$

素因数の和:28380

約数の個数: 320

約数和(自身を含む): 78951628800

約数和(自身を除く): 59041106280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 81, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 162, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 324, 360, 372, 378, 405, 420, 434, 465, 504, 540, 558, 567, 620, 630, 648, 651, 744, 756, 810, 837, 840, 868, 930, 945, 1080, 1085, 1116, 1134, 1240, 1260, 1302, 1395, 1512, 1620, 1674, 1736, 1860, 1890, 1953, 2170, 2232, 2268, 2511, 2520, 2604, 2790, 2835, 3240, 3255, 3348, 3720, 3780, 3906, 4185, 4340, 4536, 5022, 5208, 5580, 5670, 5859, 6510, 6696, 7560, 7812, 8370, 8680, 9765, 10044, 11160, 11340, 11718, 12555, 13020, 15624, 16740, 17577, 19530, 20088, 22680, 23436, 25110, 26040, 28319, 29295, 33480, 35154, 39060, 46872, 50220, 56638, 58590, 70308, 78120, 84957, 87885, 100440, 113276, 117180, 140616, 141595, 169914, 175770, 198233, 226552, 234360, 254871, 283190, 339828, 351540, 396466, 424785, 509742, 566380, 594699, 679656, 703080, 764613, 792932, 849570, 877889, 991165, 1019484, 1132760, 1189398, 1274355, 1529226, 1585864, 1699140, 1755778, 1784097, 1982330, 2038968, 2293839, 2378796, 2548710, 2633667, 2973495, 3058452, 3398280, 3511556, 3568194, 3823065, 3964660, 4389445, 4587678, 4757592, 5097420, 5267334, 5352291, 5946990, 6116904, 6145223, 7023112, 7136388, 7646130, 7901001, 7929320, 8778890, 8920485, 9175356, 10194840, 10534668, 10704582, 11469195, 11893980, 12290446, 13168335, 14272776, 15292260, 15802002, 16056873, 17557780, 17840970, 18350712, 18435669, 21069336, 21409164, 22938390, 23703003, 23787960, 24580892, 26336670, 26761455, 30584520, 30726115, 31604004, 32113746, 35115560, 35681940, 36871338, 39505005, 42818328, 45876780, 47406006, 49161784, 52673340, 53522910, 55307007, 61452230, 63208008, 64227492, 71109009, 71363880, 73742676, 79010010, 80284365, 91753560, 92178345, 94812012, 105346680, 107045820, 110614014, 118515015, 122904460, 128454984, 142218018, 147485352, 158020020, 160568730, 165921021, 184356690, 189624024, 214091640, 221228028, 237030030, 245808920, 276535035, 284436036, 316040040, 321137460, 331842042, 355545045, 368713380, 442456056, 474060060, 497763063, 553070070, 568872072, 642274920, 663684084, 711090090, 737426760, 829605105, 948120120, 995526126, 1106140140, 1327368168, 1422180180, 1659210210, 1991052252, 2212280280, 2488815315, 2844360360, 3318420420, 3982104504, 4977630630, 6636840840, 9955261260, 19910522520]

約数ペア:

[(1, 19910522520), (2, 9955261260), (3, 6636840840), (4, 4977630630), (5, 3982104504), (6, 3318420420), (7, 2844360360), (8, 2488815315), (9, 2212280280), (10, 1991052252), (12, 1659210210), (14, 1422180180), (15, 1327368168), (18, 1106140140), (20, 995526126), (21, 948120120), (24, 829605105), (27, 737426760), (28, 711090090), (30, 663684084), (31, 642274920), (35, 568872072), (36, 553070070), (40, 497763063), (42, 474060060), (45, 442456056), (54, 368713380), (56, 355545045), (60, 331842042), (62, 321137460), (63, 316040040), (70, 284436036), (72, 276535035), (81, 245808920), (84, 237030030), (90, 221228028), (93, 214091640), (105, 189624024), (108, 184356690), (120, 165921021), (124, 160568730), (126, 158020020), (135, 147485352), (140, 142218018), (155, 128454984), (162, 122904460), (168, 118515015), (180, 110614014), (186, 107045820), (189, 105346680), (210, 94812012), (216, 92178345), (217, 91753560), (248, 80284365), (252, 79010010), (270, 73742676), (279, 71363880), (280, 71109009), (310, 64227492), (315, 63208008), (324, 61452230), (360, 55307007), (372, 53522910), (378, 52673340), (405, 49161784), (420, 47406006), (434, 45876780), (465, 42818328), (504, 39505005), (540, 36871338), (558, 35681940), (567, 35115560), (620, 32113746), (630, 31604004), (648, 30726115), (651, 30584520), (744, 26761455), (756, 26336670), (810, 24580892), (837, 23787960), (840, 23703003), (868, 22938390), (930, 21409164), (945, 21069336), (1080, 18435669), (1085, 18350712), (1116, 17840970), (1134, 17557780), (1240, 16056873), (1260, 15802002), (1302, 15292260), (1395, 14272776), (1512, 13168335), (1620, 12290446), (1674, 11893980), (1736, 11469195), (1860, 10704582), (1890, 10534668), (1953, 10194840), (2170, 9175356), (2232, 8920485), (2268, 8778890), (2511, 7929320), (2520, 7901001), (2604, 7646130), (2790, 7136388), (2835, 7023112), (3240, 6145223), (3255, 6116904), (3348, 5946990), (3720, 5352291), (3780, 5267334), (3906, 5097420), (4185, 4757592), (4340, 4587678), (4536, 4389445), (5022, 3964660), (5208, 3823065), (5580, 3568194), (5670, 3511556), (5859, 3398280), (6510, 3058452), (6696, 2973495), (7560, 2633667), (7812, 2548710), (8370, 2378796), (8680, 2293839), (9765, 2038968), (10044, 1982330), (11160, 1784097), (11340, 1755778), (11718, 1699140), (12555, 1585864), (13020, 1529226), (15624, 1274355), (16740, 1189398), (17577, 1132760), (19530, 1019484), (20088, 991165), (22680, 877889), (23436, 849570), (25110, 792932), (26040, 764613), (28319, 703080), (29295, 679656), (33480, 594699), (35154, 566380), (39060, 509742), (46872, 424785), (50220, 396466), (56638, 351540), (58590, 339828), (70308, 283190), (78120, 254871), (84957, 234360), (87885, 226552), (100440, 198233), (113276, 175770), (117180, 169914), (140616, 141595)]