255695440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 320

約数和(自身を含む): 831946752

約数和(自身を除く): 576251312

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 77, 80, 88, 91, 103, 104, 110, 112, 124, 130, 140, 143, 154, 155, 176, 182, 206, 208, 217, 220, 248, 260, 280, 286, 308, 310, 341, 364, 385, 403, 412, 434, 440, 455, 496, 515, 520, 560, 572, 616, 620, 682, 715, 721, 728, 770, 806, 824, 868, 880, 910, 1001, 1030, 1040, 1085, 1133, 1144, 1232, 1240, 1339, 1364, 1430, 1442, 1456, 1540, 1612, 1648, 1705, 1736, 1820, 2002, 2015, 2060, 2170, 2266, 2288, 2387, 2480, 2678, 2728, 2821, 2860, 2884, 3080, 3193, 3224, 3410, 3472, 3605, 3640, 4004, 4030, 4120, 4340, 4433, 4532, 4774, 5005, 5356, 5456, 5642, 5665, 5720, 5768, 6160, 6386, 6448, 6695, 6820, 7210, 7280, 7931, 8008, 8060, 8240, 8680, 8866, 9064, 9373, 9548, 10010, 10712, 11284, 11330, 11440, 11536, 11935, 12772, 13390, 13640, 14105, 14420, 14729, 15862, 15965, 16016, 16120, 17360, 17732, 18128, 18746, 19096, 20020, 21424, 22165, 22351, 22568, 22660, 23870, 25544, 26780, 27280, 28210, 28840, 29458, 31031, 31724, 31930, 32240, 35123, 35464, 37492, 38192, 39655, 40040, 41509, 44330, 44702, 45136, 45320, 46865, 47740, 51088, 53560, 56420, 57680, 58916, 62062, 63448, 63860, 70246, 70928, 73645, 74984, 79310, 80080, 83018, 88660, 89404, 90640, 93730, 95480, 103103, 107120, 111755, 112840, 117832, 124124, 126896, 127720, 140492, 147290, 149968, 155155, 158620, 166036, 175615, 177320, 178808, 187460, 190960, 206206, 207545, 223510, 225680, 235664, 245861, 248248, 255440, 280984, 290563, 294580, 310310, 317240, 332072, 351230, 354640, 357616, 374920, 412412, 415090, 447020, 456599, 491722, 496496, 515515, 561968, 581126, 589160, 620620, 634480, 664144, 702460, 749840, 824824, 830180, 894040, 913198, 983444, 1031030, 1162252, 1178320, 1229305, 1241240, 1404920, 1452815, 1649648, 1660360, 1788080, 1826396, 1966888, 2062060, 2282995, 2324504, 2458610, 2482480, 2809840, 2905630, 3196193, 3320720, 3652792, 3933776, 4124120, 4565990, 4649008, 4917220, 5811260, 6392386, 7305584, 8248240, 9131980, 9834440, 11622520, 12784772, 15980965, 18263960, 19668880, 23245040, 25569544, 31961930, 36527920, 51139088, 63923860, 127847720, 255695440]

約数ペア:

[(1, 255695440), (2, 127847720), (4, 63923860), (5, 51139088), (7, 36527920), (8, 31961930), (10, 25569544), (11, 23245040), (13, 19668880), (14, 18263960), (16, 15980965), (20, 12784772), (22, 11622520), (26, 9834440), (28, 9131980), (31, 8248240), (35, 7305584), (40, 6392386), (44, 5811260), (52, 4917220), (55, 4649008), (56, 4565990), (62, 4124120), (65, 3933776), (70, 3652792), (77, 3320720), (80, 3196193), (88, 2905630), (91, 2809840), (103, 2482480), (104, 2458610), (110, 2324504), (112, 2282995), (124, 2062060), (130, 1966888), (140, 1826396), (143, 1788080), (154, 1660360), (155, 1649648), (176, 1452815), (182, 1404920), (206, 1241240), (208, 1229305), (217, 1178320), (220, 1162252), (248, 1031030), (260, 983444), (280, 913198), (286, 894040), (308, 830180), (310, 824824), (341, 749840), (364, 702460), (385, 664144), (403, 634480), (412, 620620), (434, 589160), (440, 581126), (455, 561968), (496, 515515), (515, 496496), (520, 491722), (560, 456599), (572, 447020), (616, 415090), (620, 412412), (682, 374920), (715, 357616), (721, 354640), (728, 351230), (770, 332072), (806, 317240), (824, 310310), (868, 294580), (880, 290563), (910, 280984), (1001, 255440), (1030, 248248), (1040, 245861), (1085, 235664), (1133, 225680), (1144, 223510), (1232, 207545), (1240, 206206), (1339, 190960), (1364, 187460), (1430, 178808), (1442, 177320), (1456, 175615), (1540, 166036), (1612, 158620), (1648, 155155), (1705, 149968), (1736, 147290), (1820, 140492), (2002, 127720), (2015, 126896), (2060, 124124), (2170, 117832), (2266, 112840), (2288, 111755), (2387, 107120), (2480, 103103), (2678, 95480), (2728, 93730), (2821, 90640), (2860, 89404), (2884, 88660), (3080, 83018), (3193, 80080), (3224, 79310), (3410, 74984), (3472, 73645), (3605, 70928), (3640, 70246), (4004, 63860), (4030, 63448), (4120, 62062), (4340, 58916), (4433, 57680), (4532, 56420), (4774, 53560), (5005, 51088), (5356, 47740), (5456, 46865), (5642, 45320), (5665, 45136), (5720, 44702), (5768, 44330), (6160, 41509), (6386, 40040), (6448, 39655), (6695, 38192), (6820, 37492), (7210, 35464), (7280, 35123), (7931, 32240), (8008, 31930), (8060, 31724), (8240, 31031), (8680, 29458), (8866, 28840), (9064, 28210), (9373, 27280), (9548, 26780), (10010, 25544), (10712, 23870), (11284, 22660), (11330, 22568), (11440, 22351), (11536, 22165), (11935, 21424), (12772, 20020), (13390, 19096), (13640, 18746), (14105, 18128), (14420, 17732), (14729, 17360), (15862, 16120), (15965, 16016)]