20121746400

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{399241}}^1$

素因数の和:399274

約数の個数: 216

約数和(自身を含む): 81090841104

約数和(自身を除く): 60969094704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 400, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 800, 840, 900, 1008, 1050, 1120, 1200, 1260, 1400, 1440, 1575, 1680, 1800, 2016, 2100, 2400, 2520, 2800, 3150, 3360, 3600, 4200, 5040, 5600, 6300, 7200, 8400, 10080, 12600, 16800, 25200, 50400, 399241, 798482, 1197723, 1596964, 1996205, 2395446, 2794687, 3193928, 3593169, 3992410, 4790892, 5589374, 5988615, 6387856, 7186338, 7984820, 8384061, 9581784, 9981025, 11178748, 11977230, 12775712, 13973435, 14372676, 15969640, 16768122, 17965845, 19163568, 19962050, 22357496, 23954460, 25152183, 27946870, 28745352, 29943075, 31939280, 33536244, 35931690, 38327136, 39924100, 41920305, 44714992, 47908920, 50304366, 55893740, 57490704, 59886150, 63878560, 67072488, 69867175, 71863380, 79848200, 83840610, 89429984, 89829225, 95817840, 100608732, 111787480, 114981408, 119772300, 125760915, 134144976, 139734350, 143726760, 159696400, 167681220, 179658450, 191635680, 201217464, 209601525, 223574960, 239544600, 251521830, 268289952, 279468700, 287453520, 319392800, 335362440, 359316900, 402434928, 419203050, 447149920, 479089200, 503043660, 558937400, 574907040, 628804575, 670724880, 718633800, 804869856, 838406100, 958178400, 1006087320, 1117874800, 1257609150, 1341449760, 1437267600, 1676812200, 2012174640, 2235749600, 2515218300, 2874535200, 3353624400, 4024349280, 5030436600, 6707248800, 10060873200, 20121746400]

約数ペア:

[(1, 20121746400), (2, 10060873200), (3, 6707248800), (4, 5030436600), (5, 4024349280), (6, 3353624400), (7, 2874535200), (8, 2515218300), (9, 2235749600), (10, 2012174640), (12, 1676812200), (14, 1437267600), (15, 1341449760), (16, 1257609150), (18, 1117874800), (20, 1006087320), (21, 958178400), (24, 838406100), (25, 804869856), (28, 718633800), (30, 670724880), (32, 628804575), (35, 574907040), (36, 558937400), (40, 503043660), (42, 479089200), (45, 447149920), (48, 419203050), (50, 402434928), (56, 359316900), (60, 335362440), (63, 319392800), (70, 287453520), (72, 279468700), (75, 268289952), (80, 251521830), (84, 239544600), (90, 223574960), (96, 209601525), (100, 201217464), (105, 191635680), (112, 179658450), (120, 167681220), (126, 159696400), (140, 143726760), (144, 139734350), (150, 134144976), (160, 125760915), (168, 119772300), (175, 114981408), (180, 111787480), (200, 100608732), (210, 95817840), (224, 89829225), (225, 89429984), (240, 83840610), (252, 79848200), (280, 71863380), (288, 69867175), (300, 67072488), (315, 63878560), (336, 59886150), (350, 57490704), (360, 55893740), (400, 50304366), (420, 47908920), (450, 44714992), (480, 41920305), (504, 39924100), (525, 38327136), (560, 35931690), (600, 33536244), (630, 31939280), (672, 29943075), (700, 28745352), (720, 27946870), (800, 25152183), (840, 23954460), (900, 22357496), (1008, 19962050), (1050, 19163568), (1120, 17965845), (1200, 16768122), (1260, 15969640), (1400, 14372676), (1440, 13973435), (1575, 12775712), (1680, 11977230), (1800, 11178748), (2016, 9981025), (2100, 9581784), (2400, 8384061), (2520, 7984820), (2800, 7186338), (3150, 6387856), (3360, 5988615), (3600, 5589374), (4200, 4790892), (5040, 3992410), (5600, 3593169), (6300, 3193928), (7200, 2794687), (8400, 2395446), (10080, 1996205), (12600, 1596964), (16800, 1197723), (25200, 798482), (50400, 399241)]