123458580

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 469647360

約数和(自身を除く): 346188780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 191, 210, 228, 243, 252, 266, 270, 285, 315, 324, 342, 378, 380, 382, 399, 405, 420, 486, 513, 532, 540, 567, 570, 573, 630, 665, 684, 756, 764, 798, 810, 855, 945, 955, 972, 1026, 1134, 1140, 1146, 1197, 1215, 1260, 1330, 1337, 1539, 1596, 1620, 1701, 1710, 1719, 1890, 1910, 1995, 2052, 2268, 2292, 2394, 2430, 2565, 2660, 2674, 2835, 2865, 3078, 3402, 3420, 3438, 3591, 3629, 3780, 3820, 3990, 4011, 4617, 4788, 4860, 5130, 5157, 5348, 5670, 5730, 5985, 6156, 6685, 6804, 6876, 7182, 7258, 7695, 7980, 8022, 8505, 8595, 9234, 10260, 10314, 10773, 10887, 11340, 11460, 11970, 12033, 13370, 14364, 14516, 15390, 15471, 16044, 17010, 17190, 17955, 18145, 18468, 20055, 20628, 21546, 21774, 23085, 23940, 24066, 25403, 25785, 26740, 30780, 30942, 32319, 32661, 34020, 34380, 35910, 36099, 36290, 40110, 43092, 43548, 46170, 46413, 48132, 50806, 51570, 53865, 54435, 60165, 61884, 64638, 65322, 71820, 72198, 72580, 76209, 77355, 80220, 92340, 92826, 97983, 101612, 103140, 107730, 108297, 108870, 120330, 127015, 129276, 130644, 144396, 152418, 154710, 161595, 163305, 180495, 185652, 195966, 215460, 216594, 217740, 228627, 232065, 240660, 254030, 293949, 304836, 309420, 323190, 324891, 326610, 360990, 381045, 391932, 433188, 457254, 464130, 489915, 508060, 541485, 587898, 646380, 649782, 653220, 685881, 721980, 762090, 881847, 914508, 928260, 979830, 1082970, 1143135, 1175796, 1299564, 1371762, 1469745, 1524180, 1624455, 1763694, 1959660, 2057643, 2165940, 2286270, 2743524, 2939490, 3248910, 3429405, 3527388, 4115286, 4409235, 4572540, 5878980, 6172929, 6497820, 6858810, 8230572, 8818470, 10288215, 12345858, 13717620, 17636940, 20576430, 24691716, 30864645, 41152860, 61729290, 123458580]

約数ペア:

[(1, 123458580), (2, 61729290), (3, 41152860), (4, 30864645), (5, 24691716), (6, 20576430), (7, 17636940), (9, 13717620), (10, 12345858), (12, 10288215), (14, 8818470), (15, 8230572), (18, 6858810), (19, 6497820), (20, 6172929), (21, 5878980), (27, 4572540), (28, 4409235), (30, 4115286), (35, 3527388), (36, 3429405), (38, 3248910), (42, 2939490), (45, 2743524), (54, 2286270), (57, 2165940), (60, 2057643), (63, 1959660), (70, 1763694), (76, 1624455), (81, 1524180), (84, 1469745), (90, 1371762), (95, 1299564), (105, 1175796), (108, 1143135), (114, 1082970), (126, 979830), (133, 928260), (135, 914508), (140, 881847), (162, 762090), (171, 721980), (180, 685881), (189, 653220), (190, 649782), (191, 646380), (210, 587898), (228, 541485), (243, 508060), (252, 489915), (266, 464130), (270, 457254), (285, 433188), (315, 391932), (324, 381045), (342, 360990), (378, 326610), (380, 324891), (382, 323190), (399, 309420), (405, 304836), (420, 293949), (486, 254030), (513, 240660), (532, 232065), (540, 228627), (567, 217740), (570, 216594), (573, 215460), (630, 195966), (665, 185652), (684, 180495), (756, 163305), (764, 161595), (798, 154710), (810, 152418), (855, 144396), (945, 130644), (955, 129276), (972, 127015), (1026, 120330), (1134, 108870), (1140, 108297), (1146, 107730), (1197, 103140), (1215, 101612), (1260, 97983), (1330, 92826), (1337, 92340), (1539, 80220), (1596, 77355), (1620, 76209), (1701, 72580), (1710, 72198), (1719, 71820), (1890, 65322), (1910, 64638), (1995, 61884), (2052, 60165), (2268, 54435), (2292, 53865), (2394, 51570), (2430, 50806), (2565, 48132), (2660, 46413), (2674, 46170), (2835, 43548), (2865, 43092), (3078, 40110), (3402, 36290), (3420, 36099), (3438, 35910), (3591, 34380), (3629, 34020), (3780, 32661), (3820, 32319), (3990, 30942), (4011, 30780), (4617, 26740), (4788, 25785), (4860, 25403), (5130, 24066), (5157, 23940), (5348, 23085), (5670, 21774), (5730, 21546), (5985, 20628), (6156, 20055), (6685, 18468), (6804, 18145), (6876, 17955), (7182, 17190), (7258, 17010), (7695, 16044), (7980, 15471), (8022, 15390), (8505, 14516), (8595, 14364), (9234, 13370), (10260, 12033), (10314, 11970), (10773, 11460), (10887, 11340)]