90319040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 112

約数和(自身を含む): 250204224

約数和(自身を除く): 159885184

約数列:

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

約数ペア:

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