1221217020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{119027}}^1$

素因数の和:119064

約数の個数: 96

約数和(自身を含む): 3999340800

約数和(自身を除く): 2778123780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 119027, 238054, 357081, 476108, 595135, 714162, 1071243, 1190270, 1428324, 1785405, 2142486, 2261513, 2380540, 3213729, 3570810, 4284972, 4523026, 5356215, 6427458, 6784539, 7141620, 9046052, 10712430, 11307565, 12854916, 13569078, 16068645, 20353617, 21424860, 22615130, 27138156, 32137290, 33922695, 40707234, 45230260, 61060851, 64274580, 67845390, 81414468, 101768085, 122121702, 135690780, 203536170, 244243404, 305304255, 407072340, 610608510, 1221217020]

約数ペア:

[(1, 1221217020), (2, 610608510), (3, 407072340), (4, 305304255), (5, 244243404), (6, 203536170), (9, 135690780), (10, 122121702), (12, 101768085), (15, 81414468), (18, 67845390), (19, 64274580), (20, 61060851), (27, 45230260), (30, 40707234), (36, 33922695), (38, 32137290), (45, 27138156), (54, 22615130), (57, 21424860), (60, 20353617), (76, 16068645), (90, 13569078), (95, 12854916), (108, 11307565), (114, 10712430), (135, 9046052), (171, 7141620), (180, 6784539), (190, 6427458), (228, 5356215), (270, 4523026), (285, 4284972), (342, 3570810), (380, 3213729), (513, 2380540), (540, 2261513), (570, 2142486), (684, 1785405), (855, 1428324), (1026, 1190270), (1140, 1071243), (1710, 714162), (2052, 595135), (2565, 476108), (3420, 357081), (5130, 238054), (10260, 119027)]