221890680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:574

約数の個数: 192

約数和(自身を含む): 794383200

約数和(自身を除く): 572492520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 137, 165, 180, 198, 220, 264, 274, 330, 360, 396, 409, 411, 440, 495, 548, 660, 685, 792, 818, 822, 990, 1096, 1227, 1233, 1320, 1370, 1507, 1636, 1644, 1980, 2045, 2055, 2454, 2466, 2740, 3014, 3272, 3288, 3681, 3960, 4090, 4110, 4499, 4521, 4908, 4932, 5480, 6028, 6135, 6165, 7362, 7535, 8180, 8220, 8998, 9042, 9816, 9864, 12056, 12270, 12330, 13497, 13563, 14724, 15070, 16360, 16440, 17996, 18084, 18405, 22495, 22605, 24540, 24660, 26994, 27126, 29448, 30140, 35992, 36168, 36810, 40491, 44990, 45210, 49080, 49320, 53988, 54252, 56033, 60280, 67485, 67815, 73620, 80982, 89980, 90420, 107976, 108504, 112066, 134970, 135630, 147240, 161964, 168099, 179960, 180840, 202455, 224132, 269940, 271260, 280165, 323928, 336198, 404910, 448264, 504297, 539880, 542520, 560330, 616363, 672396, 809820, 840495, 1008594, 1120660, 1232726, 1344792, 1619640, 1680990, 1849089, 2017188, 2241320, 2465452, 2521485, 3081815, 3361980, 3698178, 4034376, 4930904, 5042970, 5547267, 6163630, 6723960, 7396356, 9245445, 10085940, 11094534, 12327260, 14792712, 18490890, 20171880, 22189068, 24654520, 27736335, 36981780, 44378136, 55472670, 73963560, 110945340, 221890680]

約数ペア:

[(1, 221890680), (2, 110945340), (3, 73963560), (4, 55472670), (5, 44378136), (6, 36981780), (8, 27736335), (9, 24654520), (10, 22189068), (11, 20171880), (12, 18490890), (15, 14792712), (18, 12327260), (20, 11094534), (22, 10085940), (24, 9245445), (30, 7396356), (33, 6723960), (36, 6163630), (40, 5547267), (44, 5042970), (45, 4930904), (55, 4034376), (60, 3698178), (66, 3361980), (72, 3081815), (88, 2521485), (90, 2465452), (99, 2241320), (110, 2017188), (120, 1849089), (132, 1680990), (137, 1619640), (165, 1344792), (180, 1232726), (198, 1120660), (220, 1008594), (264, 840495), (274, 809820), (330, 672396), (360, 616363), (396, 560330), (409, 542520), (411, 539880), (440, 504297), (495, 448264), (548, 404910), (660, 336198), (685, 323928), (792, 280165), (818, 271260), (822, 269940), (990, 224132), (1096, 202455), (1227, 180840), (1233, 179960), (1320, 168099), (1370, 161964), (1507, 147240), (1636, 135630), (1644, 134970), (1980, 112066), (2045, 108504), (2055, 107976), (2454, 90420), (2466, 89980), (2740, 80982), (3014, 73620), (3272, 67815), (3288, 67485), (3681, 60280), (3960, 56033), (4090, 54252), (4110, 53988), (4499, 49320), (4521, 49080), (4908, 45210), (4932, 44990), (5480, 40491), (6028, 36810), (6135, 36168), (6165, 35992), (7362, 30140), (7535, 29448), (8180, 27126), (8220, 26994), (8998, 24660), (9042, 24540), (9816, 22605), (9864, 22495), (12056, 18405), (12270, 18084), (12330, 17996), (13497, 16440), (13563, 16360), (14724, 15070)]