489951280

素因数分解:

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

素因数の和:244

約数の個数: 240

約数和(自身を含む): 1463906304

約数和(自身を除く): 973955024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 167, 169, 182, 208, 217, 248, 260, 280, 310, 334, 338, 364, 403, 434, 455, 496, 520, 560, 620, 668, 676, 728, 806, 835, 845, 868, 910, 1040, 1085, 1169, 1183, 1240, 1336, 1352, 1456, 1612, 1670, 1690, 1736, 1820, 2015, 2170, 2171, 2338, 2366, 2480, 2672, 2704, 2821, 3224, 3340, 3380, 3472, 3640, 4030, 4340, 4342, 4676, 4732, 5177, 5239, 5642, 5845, 5915, 6448, 6680, 6760, 7280, 8060, 8680, 8684, 9352, 9464, 10354, 10478, 10855, 11284, 11690, 11830, 13360, 13520, 14105, 15197, 16120, 17360, 17368, 18704, 18928, 20708, 20956, 21710, 22568, 23380, 23660, 25885, 26195, 28210, 28223, 30394, 32240, 34736, 36239, 36673, 41416, 41912, 43420, 45136, 46760, 47320, 51770, 52390, 56420, 56446, 60788, 67301, 72478, 73346, 75985, 82832, 83824, 86840, 93520, 94640, 103540, 104780, 112840, 112892, 121576, 134602, 141115, 144956, 146692, 151970, 173680, 181195, 183365, 197561, 207080, 209560, 225680, 225784, 243152, 269204, 282230, 289912, 293384, 303940, 336505, 362390, 366730, 395122, 414160, 419120, 451568, 471107, 538408, 564460, 579824, 586768, 607880, 673010, 724780, 733460, 790244, 874913, 942214, 987805, 1076816, 1128920, 1215760, 1346020, 1449560, 1466920, 1580488, 1749826, 1884428, 1975610, 2257840, 2355535, 2692040, 2899120, 2933840, 3160976, 3499652, 3768856, 3951220, 4374565, 4711070, 5384080, 6124391, 6999304, 7537712, 7902440, 8749130, 9422140, 12248782, 13998608, 15804880, 17498260, 18844280, 24497564, 30621955, 34996520, 37688560, 48995128, 61243910, 69993040, 97990256, 122487820, 244975640, 489951280]

約数ペア:

[(1, 489951280), (2, 244975640), (4, 122487820), (5, 97990256), (7, 69993040), (8, 61243910), (10, 48995128), (13, 37688560), (14, 34996520), (16, 30621955), (20, 24497564), (26, 18844280), (28, 17498260), (31, 15804880), (35, 13998608), (40, 12248782), (52, 9422140), (56, 8749130), (62, 7902440), (65, 7537712), (70, 6999304), (80, 6124391), (91, 5384080), (104, 4711070), (112, 4374565), (124, 3951220), (130, 3768856), (140, 3499652), (155, 3160976), (167, 2933840), (169, 2899120), (182, 2692040), (208, 2355535), (217, 2257840), (248, 1975610), (260, 1884428), (280, 1749826), (310, 1580488), (334, 1466920), (338, 1449560), (364, 1346020), (403, 1215760), (434, 1128920), (455, 1076816), (496, 987805), (520, 942214), (560, 874913), (620, 790244), (668, 733460), (676, 724780), (728, 673010), (806, 607880), (835, 586768), (845, 579824), (868, 564460), (910, 538408), (1040, 471107), (1085, 451568), (1169, 419120), (1183, 414160), (1240, 395122), (1336, 366730), (1352, 362390), (1456, 336505), (1612, 303940), (1670, 293384), (1690, 289912), (1736, 282230), (1820, 269204), (2015, 243152), (2170, 225784), (2171, 225680), (2338, 209560), (2366, 207080), (2480, 197561), (2672, 183365), (2704, 181195), (2821, 173680), (3224, 151970), (3340, 146692), (3380, 144956), (3472, 141115), (3640, 134602), (4030, 121576), (4340, 112892), (4342, 112840), (4676, 104780), (4732, 103540), (5177, 94640), (5239, 93520), (5642, 86840), (5845, 83824), (5915, 82832), (6448, 75985), (6680, 73346), (6760, 72478), (7280, 67301), (8060, 60788), (8680, 56446), (8684, 56420), (9352, 52390), (9464, 51770), (10354, 47320), (10478, 46760), (10855, 45136), (11284, 43420), (11690, 41912), (11830, 41416), (13360, 36673), (13520, 36239), (14105, 34736), (15197, 32240), (16120, 30394), (17360, 28223), (17368, 28210), (18704, 26195), (18928, 25885), (20708, 23660), (20956, 23380), (21710, 22568)]