20157893280

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{222199}}^1$

素因数の和:222233

約数の個数: 240

約数和(自身を含む): 81303868800

約数和(自身を除く): 61145975520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 22680, 30240, 45360, 90720, 222199, 444398, 666597, 888796, 1110995, 1333194, 1555393, 1777592, 1999791, 2221990, 2666388, 3110786, 3332985, 3555184, 3999582, 4443980, 4666179, 5332776, 5999373, 6221572, 6665970, 7110368, 7776965, 7999164, 8887960, 9332358, 9998955, 10665552, 11998746, 12443144, 13331940, 13998537, 15553930, 15998328, 17775920, 17998119, 18664716, 19997910, 21331104, 23330895, 23997492, 24886288, 26663880, 27997074, 29996865, 31107860, 31996656, 35551840, 35996238, 37329432, 39995820, 41995611, 46661790, 47994984, 49772576, 53327760, 55994148, 59993730, 62215720, 63993312, 69992685, 71992476, 74658864, 79991640, 83991222, 89990595, 93323580, 95989968, 106655520, 111988296, 119987460, 124431440, 125986833, 139985370, 143984952, 149317728, 159983280, 167982444, 179981190, 186647160, 191979936, 209978055, 223976592, 239974920, 248862880, 251973666, 279970740, 287969904, 319966560, 335964888, 359962380, 373294320, 419956110, 447953184, 479949840, 503947332, 559941480, 575939808, 629934165, 671929776, 719924760, 746588640, 839912220, 959899680, 1007894664, 1119882960, 1259868330, 1343859552, 1439849520, 1679824440, 2015789328, 2239765920, 2519736660, 2879699040, 3359648880, 4031578656, 5039473320, 6719297760, 10078946640, 20157893280]

約数ペア:

[(1, 20157893280), (2, 10078946640), (3, 6719297760), (4, 5039473320), (5, 4031578656), (6, 3359648880), (7, 2879699040), (8, 2519736660), (9, 2239765920), (10, 2015789328), (12, 1679824440), (14, 1439849520), (15, 1343859552), (16, 1259868330), (18, 1119882960), (20, 1007894664), (21, 959899680), (24, 839912220), (27, 746588640), (28, 719924760), (30, 671929776), (32, 629934165), (35, 575939808), (36, 559941480), (40, 503947332), (42, 479949840), (45, 447953184), (48, 419956110), (54, 373294320), (56, 359962380), (60, 335964888), (63, 319966560), (70, 287969904), (72, 279970740), (80, 251973666), (81, 248862880), (84, 239974920), (90, 223976592), (96, 209978055), (105, 191979936), (108, 186647160), (112, 179981190), (120, 167982444), (126, 159983280), (135, 149317728), (140, 143984952), (144, 139985370), (160, 125986833), (162, 124431440), (168, 119987460), (180, 111988296), (189, 106655520), (210, 95989968), (216, 93323580), (224, 89990595), (240, 83991222), (252, 79991640), (270, 74658864), (280, 71992476), (288, 69992685), (315, 63993312), (324, 62215720), (336, 59993730), (360, 55994148), (378, 53327760), (405, 49772576), (420, 47994984), (432, 46661790), (480, 41995611), (504, 39995820), (540, 37329432), (560, 35996238), (567, 35551840), (630, 31996656), (648, 31107860), (672, 29996865), (720, 27997074), (756, 26663880), (810, 24886288), (840, 23997492), (864, 23330895), (945, 21331104), (1008, 19997910), (1080, 18664716), (1120, 17998119), (1134, 17775920), (1260, 15998328), (1296, 15553930), (1440, 13998537), (1512, 13331940), (1620, 12443144), (1680, 11998746), (1890, 10665552), (2016, 9998955), (2160, 9332358), (2268, 8887960), (2520, 7999164), (2592, 7776965), (2835, 7110368), (3024, 6665970), (3240, 6221572), (3360, 5999373), (3780, 5332776), (4320, 4666179), (4536, 4443980), (5040, 3999582), (5670, 3555184), (6048, 3332985), (6480, 3110786), (7560, 2666388), (9072, 2221990), (10080, 1999791), (11340, 1777592), (12960, 1555393), (15120, 1333194), (18144, 1110995), (22680, 888796), (30240, 666597), (45360, 444398), (90720, 222199)]