205407720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2264

約数の個数: 192

約数和(自身を含む): 783918720

約数和(自身を除く): 578511000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 2072, 2203, 2220, 2331, 2520, 2590, 2664, 3108, 3330, 3885, 4406, 4440, 4662, 5180, 6216, 6609, 6660, 7770, 8812, 9324, 10360, 11015, 11655, 13218, 13320, 15421, 15540, 17624, 18648, 19827, 22030, 23310, 26436, 30842, 31080, 33045, 39654, 44060, 46263, 46620, 52872, 61684, 66090, 77105, 79308, 81511, 88120, 92526, 93240, 99135, 123368, 132180, 138789, 154210, 158616, 163022, 185052, 198270, 231315, 244533, 264360, 277578, 308420, 326044, 370104, 396540, 407555, 462630, 489066, 555156, 570577, 616840, 652088, 693945, 733599, 793080, 815110, 925260, 978132, 1110312, 1141154, 1222665, 1387890, 1467198, 1630220, 1711731, 1850520, 1956264, 2282308, 2445330, 2775780, 2852885, 2934396, 3260440, 3423462, 3667995, 4564616, 4890660, 5135193, 5551560, 5705770, 5868792, 6846924, 7335990, 8558655, 9781320, 10270386, 11411540, 13693848, 14671980, 17117310, 20540772, 22823080, 25675965, 29343960, 34234620, 41081544, 51351930, 68469240, 102703860, 205407720]

約数ペア:

[(1, 205407720), (2, 102703860), (3, 68469240), (4, 51351930), (5, 41081544), (6, 34234620), (7, 29343960), (8, 25675965), (9, 22823080), (10, 20540772), (12, 17117310), (14, 14671980), (15, 13693848), (18, 11411540), (20, 10270386), (21, 9781320), (24, 8558655), (28, 7335990), (30, 6846924), (35, 5868792), (36, 5705770), (37, 5551560), (40, 5135193), (42, 4890660), (45, 4564616), (56, 3667995), (60, 3423462), (63, 3260440), (70, 2934396), (72, 2852885), (74, 2775780), (84, 2445330), (90, 2282308), (105, 1956264), (111, 1850520), (120, 1711731), (126, 1630220), (140, 1467198), (148, 1387890), (168, 1222665), (180, 1141154), (185, 1110312), (210, 978132), (222, 925260), (252, 815110), (259, 793080), (280, 733599), (296, 693945), (315, 652088), (333, 616840), (360, 570577), (370, 555156), (420, 489066), (444, 462630), (504, 407555), (518, 396540), (555, 370104), (630, 326044), (666, 308420), (740, 277578), (777, 264360), (840, 244533), (888, 231315), (1036, 198270), (1110, 185052), (1260, 163022), (1295, 158616), (1332, 154210), (1480, 138789), (1554, 132180), (1665, 123368), (2072, 99135), (2203, 93240), (2220, 92526), (2331, 88120), (2520, 81511), (2590, 79308), (2664, 77105), (3108, 66090), (3330, 61684), (3885, 52872), (4406, 46620), (4440, 46263), (4662, 44060), (5180, 39654), (6216, 33045), (6609, 31080), (6660, 30842), (7770, 26436), (8812, 23310), (9324, 22030), (10360, 19827), (11015, 18648), (11655, 17624), (13218, 15540), (13320, 15421)]