205051680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1239

約数の個数: 144

約数和(自身を含む): 705729024

約数和(自身を除く): 500677344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 131, 144, 160, 180, 240, 262, 288, 360, 393, 480, 524, 655, 720, 786, 1048, 1087, 1179, 1310, 1440, 1572, 1965, 2096, 2174, 2358, 2620, 3144, 3261, 3930, 4192, 4348, 4716, 5240, 5435, 5895, 6288, 6522, 7860, 8696, 9432, 9783, 10480, 10870, 11790, 12576, 13044, 15720, 16305, 17392, 18864, 19566, 20960, 21740, 23580, 26088, 31440, 32610, 34784, 37728, 39132, 43480, 47160, 48915, 52176, 62880, 65220, 78264, 86960, 94320, 97830, 104352, 130440, 142397, 156528, 173920, 188640, 195660, 260880, 284794, 313056, 391320, 427191, 521760, 569588, 711985, 782640, 854382, 1139176, 1281573, 1423970, 1565280, 1708764, 2135955, 2278352, 2563146, 2847940, 3417528, 4271910, 4556704, 5126292, 5695880, 6407865, 6835056, 8543820, 10252584, 11391760, 12815730, 13670112, 17087640, 20505168, 22783520, 25631460, 34175280, 41010336, 51262920, 68350560, 102525840, 205051680]

約数ペア:

[(1, 205051680), (2, 102525840), (3, 68350560), (4, 51262920), (5, 41010336), (6, 34175280), (8, 25631460), (9, 22783520), (10, 20505168), (12, 17087640), (15, 13670112), (16, 12815730), (18, 11391760), (20, 10252584), (24, 8543820), (30, 6835056), (32, 6407865), (36, 5695880), (40, 5126292), (45, 4556704), (48, 4271910), (60, 3417528), (72, 2847940), (80, 2563146), (90, 2278352), (96, 2135955), (120, 1708764), (131, 1565280), (144, 1423970), (160, 1281573), (180, 1139176), (240, 854382), (262, 782640), (288, 711985), (360, 569588), (393, 521760), (480, 427191), (524, 391320), (655, 313056), (720, 284794), (786, 260880), (1048, 195660), (1087, 188640), (1179, 173920), (1310, 156528), (1440, 142397), (1572, 130440), (1965, 104352), (2096, 97830), (2174, 94320), (2358, 86960), (2620, 78264), (3144, 65220), (3261, 62880), (3930, 52176), (4192, 48915), (4348, 47160), (4716, 43480), (5240, 39132), (5435, 37728), (5895, 34784), (6288, 32610), (6522, 31440), (7860, 26088), (8696, 23580), (9432, 21740), (9783, 20960), (10480, 19566), (10870, 18864), (11790, 17392), (12576, 16305), (13044, 15720)]