1217788920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:550

約数の個数: 192

約数和(自身を含む): 4051944000

約数和(自身を除く): 2834155080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 120, 146, 149, 180, 219, 292, 298, 311, 360, 365, 438, 447, 584, 596, 622, 657, 730, 745, 876, 894, 933, 1095, 1192, 1244, 1314, 1341, 1460, 1490, 1555, 1752, 1788, 1866, 2190, 2235, 2488, 2628, 2682, 2799, 2920, 2980, 3110, 3285, 3576, 3732, 4380, 4470, 4665, 5256, 5364, 5598, 5960, 6220, 6570, 6705, 7464, 8760, 8940, 9330, 10728, 10877, 11196, 12440, 13140, 13410, 13995, 17880, 18660, 21754, 22392, 22703, 26280, 26820, 27990, 32631, 37320, 43508, 45406, 46339, 53640, 54385, 55980, 65262, 68109, 87016, 90812, 92678, 97893, 108770, 111960, 113515, 130524, 136218, 139017, 163155, 181624, 185356, 195786, 204327, 217540, 227030, 231695, 261048, 272436, 278034, 326310, 340545, 370712, 391572, 408654, 417051, 435080, 454060, 463390, 489465, 544872, 556068, 652620, 681090, 695085, 783144, 817308, 834102, 908120, 926780, 978930, 1021635, 1112136, 1305240, 1362180, 1390170, 1634616, 1668204, 1853560, 1957860, 2043270, 2085255, 2724360, 2780340, 3336408, 3382747, 3915720, 4086540, 4170510, 5560680, 6765494, 8173080, 8341020, 10148241, 13530988, 16682040, 16913735, 20296482, 27061976, 30444723, 33827470, 40592964, 50741205, 60889446, 67654940, 81185928, 101482410, 121778892, 135309880, 152223615, 202964820, 243557784, 304447230, 405929640, 608894460, 1217788920]

約数ペア:

[(1, 1217788920), (2, 608894460), (3, 405929640), (4, 304447230), (5, 243557784), (6, 202964820), (8, 152223615), (9, 135309880), (10, 121778892), (12, 101482410), (15, 81185928), (18, 67654940), (20, 60889446), (24, 50741205), (30, 40592964), (36, 33827470), (40, 30444723), (45, 27061976), (60, 20296482), (72, 16913735), (73, 16682040), (90, 13530988), (120, 10148241), (146, 8341020), (149, 8173080), (180, 6765494), (219, 5560680), (292, 4170510), (298, 4086540), (311, 3915720), (360, 3382747), (365, 3336408), (438, 2780340), (447, 2724360), (584, 2085255), (596, 2043270), (622, 1957860), (657, 1853560), (730, 1668204), (745, 1634616), (876, 1390170), (894, 1362180), (933, 1305240), (1095, 1112136), (1192, 1021635), (1244, 978930), (1314, 926780), (1341, 908120), (1460, 834102), (1490, 817308), (1555, 783144), (1752, 695085), (1788, 681090), (1866, 652620), (2190, 556068), (2235, 544872), (2488, 489465), (2628, 463390), (2682, 454060), (2799, 435080), (2920, 417051), (2980, 408654), (3110, 391572), (3285, 370712), (3576, 340545), (3732, 326310), (4380, 278034), (4470, 272436), (4665, 261048), (5256, 231695), (5364, 227030), (5598, 217540), (5960, 204327), (6220, 195786), (6570, 185356), (6705, 181624), (7464, 163155), (8760, 139017), (8940, 136218), (9330, 130524), (10728, 113515), (10877, 111960), (11196, 108770), (12440, 97893), (13140, 92678), (13410, 90812), (13995, 87016), (17880, 68109), (18660, 65262), (21754, 55980), (22392, 54385), (22703, 53640), (26280, 46339), (26820, 45406), (27990, 43508), (32631, 37320)]