205336680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 640224000

約数和(自身を除く): 434887320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 103, 111, 120, 148, 185, 206, 222, 296, 309, 370, 412, 444, 449, 515, 555, 618, 740, 824, 888, 898, 1030, 1110, 1236, 1347, 1480, 1545, 1796, 2060, 2220, 2245, 2472, 2694, 3090, 3592, 3811, 4120, 4440, 4490, 5388, 6180, 6735, 7622, 8980, 10776, 11433, 12360, 13470, 15244, 16613, 17960, 19055, 22866, 26940, 30488, 33226, 38110, 45732, 46247, 49839, 53880, 57165, 66452, 76220, 83065, 91464, 92494, 99678, 114330, 132904, 138741, 152440, 166130, 184988, 199356, 228660, 231235, 249195, 277482, 332260, 369976, 398712, 457320, 462470, 498390, 554964, 664520, 693705, 924940, 996780, 1109928, 1387410, 1711139, 1849880, 1993560, 2774820, 3422278, 5133417, 5549640, 6844556, 8555695, 10266834, 13689112, 17111390, 20533668, 25667085, 34222780, 41067336, 51334170, 68445560, 102668340, 205336680]

約数ペア:

[(1, 205336680), (2, 102668340), (3, 68445560), (4, 51334170), (5, 41067336), (6, 34222780), (8, 25667085), (10, 20533668), (12, 17111390), (15, 13689112), (20, 10266834), (24, 8555695), (30, 6844556), (37, 5549640), (40, 5133417), (60, 3422278), (74, 2774820), (103, 1993560), (111, 1849880), (120, 1711139), (148, 1387410), (185, 1109928), (206, 996780), (222, 924940), (296, 693705), (309, 664520), (370, 554964), (412, 498390), (444, 462470), (449, 457320), (515, 398712), (555, 369976), (618, 332260), (740, 277482), (824, 249195), (888, 231235), (898, 228660), (1030, 199356), (1110, 184988), (1236, 166130), (1347, 152440), (1480, 138741), (1545, 132904), (1796, 114330), (2060, 99678), (2220, 92494), (2245, 91464), (2472, 83065), (2694, 76220), (3090, 66452), (3592, 57165), (3811, 53880), (4120, 49839), (4440, 46247), (4490, 45732), (5388, 38110), (6180, 33226), (6735, 30488), (7622, 26940), (8980, 22866), (10776, 19055), (11433, 17960), (12360, 16613), (13470, 15244)]