180638080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 502378560

約数和(自身を除く): 321740480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 640, 661, 854, 896, 976, 1120, 1220, 1322, 1708, 1952, 2135, 2240, 2440, 2644, 3305, 3416, 3904, 4270, 4480, 4627, 4880, 5288, 6610, 6832, 7808, 8540, 9254, 9760, 10576, 13220, 13664, 17080, 18508, 19520, 21152, 23135, 26440, 27328, 34160, 37016, 39040, 40321, 42304, 46270, 52880, 54656, 68320, 74032, 80642, 84608, 92540, 105760, 136640, 148064, 161284, 185080, 201605, 211520, 273280, 282247, 296128, 322568, 370160, 403210, 423040, 564494, 592256, 645136, 740320, 806420, 1128988, 1290272, 1411235, 1480640, 1612840, 2257976, 2580544, 2822470, 2961280, 3225680, 4515952, 5161088, 5644940, 6451360, 9031904, 11289880, 12902720, 18063808, 22579760, 25805440, 36127616, 45159520, 90319040, 180638080]

約数ペア:

[(1, 180638080), (2, 90319040), (4, 45159520), (5, 36127616), (7, 25805440), (8, 22579760), (10, 18063808), (14, 12902720), (16, 11289880), (20, 9031904), (28, 6451360), (32, 5644940), (35, 5161088), (40, 4515952), (56, 3225680), (61, 2961280), (64, 2822470), (70, 2580544), (80, 2257976), (112, 1612840), (122, 1480640), (128, 1411235), (140, 1290272), (160, 1128988), (224, 806420), (244, 740320), (280, 645136), (305, 592256), (320, 564494), (427, 423040), (448, 403210), (488, 370160), (560, 322568), (610, 296128), (640, 282247), (661, 273280), (854, 211520), (896, 201605), (976, 185080), (1120, 161284), (1220, 148064), (1322, 136640), (1708, 105760), (1952, 92540), (2135, 84608), (2240, 80642), (2440, 74032), (2644, 68320), (3305, 54656), (3416, 52880), (3904, 46270), (4270, 42304), (4480, 40321), (4627, 39040), (4880, 37016), (5288, 34160), (6610, 27328), (6832, 26440), (7808, 23135), (8540, 21152), (9254, 19520), (9760, 18508), (10576, 17080), (13220, 13664)]