263819920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 240

約数和(自身を含む): 797948928

約数和(自身を除く): 534129008

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 167, 182, 196, 208, 217, 245, 248, 260, 280, 310, 334, 364, 392, 403, 434, 455, 490, 496, 520, 560, 620, 637, 668, 728, 784, 806, 835, 868, 910, 980, 1040, 1085, 1169, 1240, 1274, 1336, 1456, 1519, 1612, 1670, 1736, 1820, 1960, 2015, 2170, 2171, 2338, 2480, 2548, 2672, 2821, 3038, 3185, 3224, 3340, 3472, 3640, 3920, 4030, 4340, 4342, 4676, 5096, 5177, 5642, 5845, 6076, 6370, 6448, 6680, 7280, 7595, 8060, 8183, 8680, 8684, 9352, 10192, 10354, 10855, 11284, 11690, 12152, 12740, 13360, 14105, 15190, 15197, 16120, 16366, 17360, 17368, 18704, 19747, 20708, 21710, 22568, 23380, 24304, 25480, 25885, 28210, 30380, 30394, 32240, 32732, 34736, 36239, 39494, 40915, 41416, 43420, 45136, 46760, 50960, 51770, 56420, 60760, 60788, 65464, 67301, 72478, 75985, 78988, 81830, 82832, 86840, 93520, 98735, 103540, 106379, 112840, 121520, 121576, 130928, 134602, 144956, 151970, 157976, 163660, 173680, 181195, 197470, 207080, 212758, 225680, 243152, 253673, 269204, 289912, 303940, 315952, 327320, 336505, 362390, 394940, 414160, 425516, 471107, 507346, 531895, 538408, 579824, 607880, 654640, 673010, 724780, 789880, 851032, 942214, 1014692, 1063790, 1076816, 1215760, 1268365, 1346020, 1449560, 1579760, 1702064, 1884428, 2029384, 2127580, 2355535, 2536730, 2692040, 2899120, 3297749, 3768856, 4058768, 4255160, 4711070, 5073460, 5384080, 6595498, 7537712, 8510320, 9422140, 10146920, 13190996, 16488745, 18844280, 20293840, 26381992, 32977490, 37688560, 52763984, 65954980, 131909960, 263819920]

約数ペア:

[(1, 263819920), (2, 131909960), (4, 65954980), (5, 52763984), (7, 37688560), (8, 32977490), (10, 26381992), (13, 20293840), (14, 18844280), (16, 16488745), (20, 13190996), (26, 10146920), (28, 9422140), (31, 8510320), (35, 7537712), (40, 6595498), (49, 5384080), (52, 5073460), (56, 4711070), (62, 4255160), (65, 4058768), (70, 3768856), (80, 3297749), (91, 2899120), (98, 2692040), (104, 2536730), (112, 2355535), (124, 2127580), (130, 2029384), (140, 1884428), (155, 1702064), (167, 1579760), (182, 1449560), (196, 1346020), (208, 1268365), (217, 1215760), (245, 1076816), (248, 1063790), (260, 1014692), (280, 942214), (310, 851032), (334, 789880), (364, 724780), (392, 673010), (403, 654640), (434, 607880), (455, 579824), (490, 538408), (496, 531895), (520, 507346), (560, 471107), (620, 425516), (637, 414160), (668, 394940), (728, 362390), (784, 336505), (806, 327320), (835, 315952), (868, 303940), (910, 289912), (980, 269204), (1040, 253673), (1085, 243152), (1169, 225680), (1240, 212758), (1274, 207080), (1336, 197470), (1456, 181195), (1519, 173680), (1612, 163660), (1670, 157976), (1736, 151970), (1820, 144956), (1960, 134602), (2015, 130928), (2170, 121576), (2171, 121520), (2338, 112840), (2480, 106379), (2548, 103540), (2672, 98735), (2821, 93520), (3038, 86840), (3185, 82832), (3224, 81830), (3340, 78988), (3472, 75985), (3640, 72478), (3920, 67301), (4030, 65464), (4340, 60788), (4342, 60760), (4676, 56420), (5096, 51770), (5177, 50960), (5642, 46760), (5845, 45136), (6076, 43420), (6370, 41416), (6448, 40915), (6680, 39494), (7280, 36239), (7595, 34736), (8060, 32732), (8183, 32240), (8680, 30394), (8684, 30380), (9352, 28210), (10192, 25885), (10354, 25480), (10855, 24304), (11284, 23380), (11690, 22568), (12152, 21710), (12740, 20708), (13360, 19747), (14105, 18704), (15190, 17368), (15197, 17360), (16120, 16366)]