20121994080

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27239}}^1$

素因数の和:27288

約数の個数: 288

約数和(自身を含む): 74960121600

約数和(自身を除く): 54838127520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 486, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 912, 972, 1026, 1080, 1140, 1215, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1824, 1944, 2052, 2160, 2280, 2430, 2565, 2592, 2736, 3040, 3078, 3240, 3420, 3888, 4104, 4320, 4560, 4617, 4860, 5130, 5472, 6156, 6480, 6840, 7695, 7776, 8208, 9120, 9234, 9720, 10260, 12312, 12960, 13680, 15390, 16416, 18468, 19440, 20520, 23085, 24624, 27239, 27360, 30780, 36936, 38880, 41040, 46170, 49248, 54478, 61560, 73872, 81717, 82080, 92340, 108956, 123120, 136195, 147744, 163434, 184680, 217912, 245151, 246240, 272390, 326868, 369360, 408585, 435824, 490302, 517541, 544780, 653736, 735453, 738720, 817170, 871648, 980604, 1035082, 1089560, 1225755, 1307472, 1470906, 1552623, 1634340, 1961208, 2070164, 2179120, 2206359, 2451510, 2587705, 2614944, 2941812, 3105246, 3268680, 3677265, 3922416, 4140328, 4358240, 4412718, 4657869, 4903020, 5175410, 5883624, 6210492, 6537360, 6619077, 7354530, 7763115, 7844832, 8280656, 8825436, 9315738, 9806040, 10350820, 11031795, 11767248, 12420984, 13074720, 13238154, 13973607, 14709060, 15526230, 16561312, 17650872, 18631476, 19612080, 20701640, 22063590, 23289345, 23534496, 24841968, 26476308, 27947214, 29418120, 31052460, 33095385, 35301744, 37262952, 39224160, 41403280, 41920821, 44127180, 46578690, 49683936, 52952616, 55894428, 58836240, 62104920, 66190770, 69868035, 70603488, 74525904, 82806560, 83841642, 88254360, 93157380, 105905232, 111788856, 117672480, 124209840, 125762463, 132381540, 139736070, 149051808, 167683284, 176508720, 186314760, 209604105, 211810464, 223577712, 248419680, 251524926, 264763080, 279472140, 335366568, 353017440, 372629520, 419208210, 447155424, 503049852, 529526160, 558944280, 628812315, 670733136, 745259040, 838416420, 1006099704, 1059052320, 1117888560, 1257624630, 1341466272, 1676832840, 2012199408, 2235777120, 2515249260, 3353665680, 4024398816, 5030498520, 6707331360, 10060997040, 20121994080]

約数ペア:

[(1, 20121994080), (2, 10060997040), (3, 6707331360), (4, 5030498520), (5, 4024398816), (6, 3353665680), (8, 2515249260), (9, 2235777120), (10, 2012199408), (12, 1676832840), (15, 1341466272), (16, 1257624630), (18, 1117888560), (19, 1059052320), (20, 1006099704), (24, 838416420), (27, 745259040), (30, 670733136), (32, 628812315), (36, 558944280), (38, 529526160), (40, 503049852), (45, 447155424), (48, 419208210), (54, 372629520), (57, 353017440), (60, 335366568), (72, 279472140), (76, 264763080), (80, 251524926), (81, 248419680), (90, 223577712), (95, 211810464), (96, 209604105), (108, 186314760), (114, 176508720), (120, 167683284), (135, 149051808), (144, 139736070), (152, 132381540), (160, 125762463), (162, 124209840), (171, 117672480), (180, 111788856), (190, 105905232), (216, 93157380), (228, 88254360), (240, 83841642), (243, 82806560), (270, 74525904), (285, 70603488), (288, 69868035), (304, 66190770), (324, 62104920), (342, 58836240), (360, 55894428), (380, 52952616), (405, 49683936), (432, 46578690), (456, 44127180), (480, 41920821), (486, 41403280), (513, 39224160), (540, 37262952), (570, 35301744), (608, 33095385), (648, 31052460), (684, 29418120), (720, 27947214), (760, 26476308), (810, 24841968), (855, 23534496), (864, 23289345), (912, 22063590), (972, 20701640), (1026, 19612080), (1080, 18631476), (1140, 17650872), (1215, 16561312), (1296, 15526230), (1368, 14709060), (1440, 13973607), (1520, 13238154), (1539, 13074720), (1620, 12420984), (1710, 11767248), (1824, 11031795), (1944, 10350820), (2052, 9806040), (2160, 9315738), (2280, 8825436), (2430, 8280656), (2565, 7844832), (2592, 7763115), (2736, 7354530), (3040, 6619077), (3078, 6537360), (3240, 6210492), (3420, 5883624), (3888, 5175410), (4104, 4903020), (4320, 4657869), (4560, 4412718), (4617, 4358240), (4860, 4140328), (5130, 3922416), (5472, 3677265), (6156, 3268680), (6480, 3105246), (6840, 2941812), (7695, 2614944), (7776, 2587705), (8208, 2451510), (9120, 2206359), (9234, 2179120), (9720, 2070164), (10260, 1961208), (12312, 1634340), (12960, 1552623), (13680, 1470906), (15390, 1307472), (16416, 1225755), (18468, 1089560), (19440, 1035082), (20520, 980604), (23085, 871648), (24624, 817170), (27239, 738720), (27360, 735453), (30780, 653736), (36936, 544780), (38880, 517541), (41040, 490302), (46170, 435824), (49248, 408585), (54478, 369360), (61560, 326868), (73872, 272390), (81717, 246240), (82080, 245151), (92340, 217912), (108956, 184680), (123120, 163434), (136195, 147744)]