771721440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 288

約数和(自身を含む): 2882718720

約数和(自身を除く): 2110997280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 239, 240, 248, 280, 310, 336, 372, 420, 434, 465, 478, 480, 496, 560, 620, 651, 672, 717, 744, 840, 868, 930, 956, 961, 992, 1085, 1120, 1195, 1240, 1302, 1434, 1488, 1673, 1680, 1736, 1860, 1912, 1922, 2170, 2390, 2480, 2604, 2868, 2883, 2976, 3255, 3346, 3360, 3472, 3585, 3720, 3824, 3844, 4340, 4780, 4805, 4960, 5019, 5208, 5736, 5766, 6510, 6692, 6727, 6944, 7170, 7409, 7440, 7648, 7688, 8365, 8680, 9560, 9610, 10038, 10416, 11472, 11532, 13020, 13384, 13454, 14340, 14415, 14818, 14880, 15376, 16730, 17360, 19120, 19220, 20076, 20181, 20832, 22227, 22944, 23064, 25095, 26040, 26768, 26908, 28680, 28830, 29636, 30752, 33460, 33635, 34720, 37045, 38240, 38440, 40152, 40362, 44454, 46128, 50190, 51863, 52080, 53536, 53816, 57360, 57660, 59272, 66920, 67270, 74090, 76880, 80304, 80724, 88908, 92256, 100380, 100905, 103726, 104160, 107632, 111135, 114720, 115320, 118544, 133840, 134540, 148180, 153760, 155589, 160608, 161448, 177816, 200760, 201810, 207452, 215264, 222270, 229679, 230640, 237088, 259315, 267680, 269080, 296360, 311178, 322896, 355632, 401520, 403620, 414904, 444540, 459358, 461280, 518630, 538160, 592720, 622356, 645792, 689037, 711264, 777945, 803040, 807240, 829808, 889080, 918716, 1037260, 1076320, 1148395, 1185440, 1244712, 1378074, 1555890, 1607753, 1614480, 1659616, 1778160, 1837432, 2074520, 2296790, 2489424, 2756148, 3111780, 3215506, 3228960, 3445185, 3556320, 3674864, 4149040, 4593580, 4823259, 4978848, 5512296, 6223560, 6431012, 6890370, 7349728, 8038765, 8298080, 9187160, 9646518, 11024592, 12447120, 12862024, 13780740, 16077530, 18374320, 19293036, 22049184, 24116295, 24894240, 25724048, 27561480, 32155060, 36748640, 38586072, 48232590, 51448096, 55122960, 64310120, 77172144, 96465180, 110245920, 128620240, 154344288, 192930360, 257240480, 385860720, 771721440]

約数ペア:

[(1, 771721440), (2, 385860720), (3, 257240480), (4, 192930360), (5, 154344288), (6, 128620240), (7, 110245920), (8, 96465180), (10, 77172144), (12, 64310120), (14, 55122960), (15, 51448096), (16, 48232590), (20, 38586072), (21, 36748640), (24, 32155060), (28, 27561480), (30, 25724048), (31, 24894240), (32, 24116295), (35, 22049184), (40, 19293036), (42, 18374320), (48, 16077530), (56, 13780740), (60, 12862024), (62, 12447120), (70, 11024592), (80, 9646518), (84, 9187160), (93, 8298080), (96, 8038765), (105, 7349728), (112, 6890370), (120, 6431012), (124, 6223560), (140, 5512296), (155, 4978848), (160, 4823259), (168, 4593580), (186, 4149040), (210, 3674864), (217, 3556320), (224, 3445185), (239, 3228960), (240, 3215506), (248, 3111780), (280, 2756148), (310, 2489424), (336, 2296790), (372, 2074520), (420, 1837432), (434, 1778160), (465, 1659616), (478, 1614480), (480, 1607753), (496, 1555890), (560, 1378074), (620, 1244712), (651, 1185440), (672, 1148395), (717, 1076320), (744, 1037260), (840, 918716), (868, 889080), (930, 829808), (956, 807240), (961, 803040), (992, 777945), (1085, 711264), (1120, 689037), (1195, 645792), (1240, 622356), (1302, 592720), (1434, 538160), (1488, 518630), (1673, 461280), (1680, 459358), (1736, 444540), (1860, 414904), (1912, 403620), (1922, 401520), (2170, 355632), (2390, 322896), (2480, 311178), (2604, 296360), (2868, 269080), (2883, 267680), (2976, 259315), (3255, 237088), (3346, 230640), (3360, 229679), (3472, 222270), (3585, 215264), (3720, 207452), (3824, 201810), (3844, 200760), (4340, 177816), (4780, 161448), (4805, 160608), (4960, 155589), (5019, 153760), (5208, 148180), (5736, 134540), (5766, 133840), (6510, 118544), (6692, 115320), (6727, 114720), (6944, 111135), (7170, 107632), (7409, 104160), (7440, 103726), (7648, 100905), (7688, 100380), (8365, 92256), (8680, 88908), (9560, 80724), (9610, 80304), (10038, 76880), (10416, 74090), (11472, 67270), (11532, 66920), (13020, 59272), (13384, 57660), (13454, 57360), (14340, 53816), (14415, 53536), (14818, 52080), (14880, 51863), (15376, 50190), (16730, 46128), (17360, 44454), (19120, 40362), (19220, 40152), (20076, 38440), (20181, 38240), (20832, 37045), (22227, 34720), (22944, 33635), (23064, 33460), (25095, 30752), (26040, 29636), (26768, 28830), (26908, 28680)]