20254913280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{251177}}^1$

素因数の和:251211

約数の個数: 216

約数和(自身を含む): 80091621792

約数和(自身を除く): 59836708512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 251177, 502354, 753531, 1004708, 1255885, 1507062, 1758239, 2009416, 2260593, 2511770, 3014124, 3516478, 3767655, 4018832, 4521186, 5023540, 5274717, 6028248, 7032956, 7535310, 8037664, 8791195, 9042372, 10047080, 10549434, 11302965, 12056496, 14065912, 15070620, 15824151, 16075328, 17582390, 18084744, 20094160, 21098868, 22605930, 24112992, 26373585, 28131824, 30141240, 31648302, 32150656, 35164780, 36169488, 40188320, 42197736, 45211860, 48225984, 52747170, 56263648, 60282480, 63296604, 64301312, 70329560, 72338976, 79120755, 80376640, 84395472, 90423720, 96451968, 105494340, 112527296, 120564960, 126593208, 140659120, 144677952, 158241510, 160753280, 168790944, 180847440, 192903936, 210988680, 225054592, 241129920, 253186416, 281318240, 289355904, 316483020, 321506560, 337581888, 361694880, 421977360, 450109184, 482259840, 506372832, 562636480, 578711808, 632966040, 675163776, 723389760, 843954720, 964519680, 1012745664, 1125272960, 1265932080, 1350327552, 1446779520, 1687909440, 2025491328, 2250545920, 2531864160, 2893559040, 3375818880, 4050982656, 5063728320, 6751637760, 10127456640, 20254913280]

約数ペア:

[(1, 20254913280), (2, 10127456640), (3, 6751637760), (4, 5063728320), (5, 4050982656), (6, 3375818880), (7, 2893559040), (8, 2531864160), (9, 2250545920), (10, 2025491328), (12, 1687909440), (14, 1446779520), (15, 1350327552), (16, 1265932080), (18, 1125272960), (20, 1012745664), (21, 964519680), (24, 843954720), (28, 723389760), (30, 675163776), (32, 632966040), (35, 578711808), (36, 562636480), (40, 506372832), (42, 482259840), (45, 450109184), (48, 421977360), (56, 361694880), (60, 337581888), (63, 321506560), (64, 316483020), (70, 289355904), (72, 281318240), (80, 253186416), (84, 241129920), (90, 225054592), (96, 210988680), (105, 192903936), (112, 180847440), (120, 168790944), (126, 160753280), (128, 158241510), (140, 144677952), (144, 140659120), (160, 126593208), (168, 120564960), (180, 112527296), (192, 105494340), (210, 96451968), (224, 90423720), (240, 84395472), (252, 80376640), (256, 79120755), (280, 72338976), (288, 70329560), (315, 64301312), (320, 63296604), (336, 60282480), (360, 56263648), (384, 52747170), (420, 48225984), (448, 45211860), (480, 42197736), (504, 40188320), (560, 36169488), (576, 35164780), (630, 32150656), (640, 31648302), (672, 30141240), (720, 28131824), (768, 26373585), (840, 24112992), (896, 22605930), (960, 21098868), (1008, 20094160), (1120, 18084744), (1152, 17582390), (1260, 16075328), (1280, 15824151), (1344, 15070620), (1440, 14065912), (1680, 12056496), (1792, 11302965), (1920, 10549434), (2016, 10047080), (2240, 9042372), (2304, 8791195), (2520, 8037664), (2688, 7535310), (2880, 7032956), (3360, 6028248), (3840, 5274717), (4032, 5023540), (4480, 4521186), (5040, 4018832), (5376, 3767655), (5760, 3516478), (6720, 3014124), (8064, 2511770), (8960, 2260593), (10080, 2009416), (11520, 1758239), (13440, 1507062), (16128, 1255885), (20160, 1004708), (26880, 753531), (40320, 502354), (80640, 251177)]