20216430720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15739}}^1$

素因数の和:15987

約数の個数: 192

約数和(自身を含む): 70127366400

約数和(自身を除く): 49910935680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 223, 240, 288, 320, 360, 384, 446, 480, 576, 640, 669, 720, 892, 960, 1115, 1152, 1338, 1440, 1784, 1920, 2007, 2230, 2676, 2880, 3345, 3568, 4014, 4460, 5352, 5760, 6690, 7136, 8028, 8920, 10035, 10704, 13380, 14272, 15739, 16056, 17840, 20070, 21408, 26760, 28544, 31478, 32112, 35680, 40140, 42816, 47217, 53520, 62956, 64224, 71360, 78695, 80280, 85632, 94434, 107040, 125912, 128448, 141651, 142720, 157390, 160560, 188868, 214080, 236085, 251824, 256896, 283302, 314780, 321120, 377736, 428160, 472170, 503648, 566604, 629560, 642240, 708255, 755472, 944340, 1007296, 1133208, 1259120, 1284480, 1416510, 1510944, 1888680, 2014592, 2266416, 2518240, 2833020, 3021888, 3509797, 3777360, 4532832, 5036480, 5666040, 6043776, 7019594, 7554720, 9065664, 10072960, 10529391, 11332080, 14039188, 15109440, 17548985, 18131328, 21058782, 22664160, 28078376, 30218880, 31588173, 35097970, 42117564, 45328320, 52646955, 56156752, 63176346, 70195940, 84235128, 90656640, 105293910, 112313504, 126352692, 140391880, 157940865, 168470256, 210587820, 224627008, 252705384, 280783760, 315881730, 336940512, 421175640, 449254016, 505410768, 561567520, 631763460, 673881024, 842351280, 1010821536, 1123135040, 1263526920, 1347762048, 1684702560, 2021643072, 2246270080, 2527053840, 3369405120, 4043286144, 5054107680, 6738810240, 10108215360, 20216430720]

約数ペア:

[(1, 20216430720), (2, 10108215360), (3, 6738810240), (4, 5054107680), (5, 4043286144), (6, 3369405120), (8, 2527053840), (9, 2246270080), (10, 2021643072), (12, 1684702560), (15, 1347762048), (16, 1263526920), (18, 1123135040), (20, 1010821536), (24, 842351280), (30, 673881024), (32, 631763460), (36, 561567520), (40, 505410768), (45, 449254016), (48, 421175640), (60, 336940512), (64, 315881730), (72, 280783760), (80, 252705384), (90, 224627008), (96, 210587820), (120, 168470256), (128, 157940865), (144, 140391880), (160, 126352692), (180, 112313504), (192, 105293910), (223, 90656640), (240, 84235128), (288, 70195940), (320, 63176346), (360, 56156752), (384, 52646955), (446, 45328320), (480, 42117564), (576, 35097970), (640, 31588173), (669, 30218880), (720, 28078376), (892, 22664160), (960, 21058782), (1115, 18131328), (1152, 17548985), (1338, 15109440), (1440, 14039188), (1784, 11332080), (1920, 10529391), (2007, 10072960), (2230, 9065664), (2676, 7554720), (2880, 7019594), (3345, 6043776), (3568, 5666040), (4014, 5036480), (4460, 4532832), (5352, 3777360), (5760, 3509797), (6690, 3021888), (7136, 2833020), (8028, 2518240), (8920, 2266416), (10035, 2014592), (10704, 1888680), (13380, 1510944), (14272, 1416510), (15739, 1284480), (16056, 1259120), (17840, 1133208), (20070, 1007296), (21408, 944340), (26760, 755472), (28544, 708255), (31478, 642240), (32112, 629560), (35680, 566604), (40140, 503648), (42816, 472170), (47217, 428160), (53520, 377736), (62956, 321120), (64224, 314780), (71360, 283302), (78695, 256896), (80280, 251824), (85632, 236085), (94434, 214080), (107040, 188868), (125912, 160560), (128448, 157390), (141651, 142720)]