217199640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:510

約数の個数: 256

約数和(自身を含む): 811008000

約数和(自身を除く): 593808360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 439, 456, 465, 532, 570, 589, 620, 651, 665, 744, 760, 798, 840, 868, 878, 930, 1064, 1085, 1140, 1178, 1240, 1302, 1317, 1330, 1596, 1736, 1756, 1767, 1860, 1995, 2170, 2195, 2280, 2356, 2604, 2634, 2660, 2945, 3073, 3192, 3255, 3512, 3534, 3720, 3990, 4123, 4340, 4390, 4712, 5208, 5268, 5320, 5890, 6146, 6510, 6585, 7068, 7980, 8246, 8341, 8680, 8780, 8835, 9219, 10536, 11780, 12292, 12369, 13020, 13170, 13609, 14136, 15365, 15960, 16492, 16682, 17560, 17670, 18438, 20615, 23560, 24584, 24738, 25023, 26040, 26340, 27218, 30730, 32984, 33364, 35340, 36876, 40827, 41230, 41705, 46095, 49476, 50046, 52680, 54436, 58387, 61460, 61845, 66728, 68045, 70680, 73752, 81654, 82460, 83410, 92190, 95263, 98952, 100092, 108872, 116774, 122920, 123690, 125115, 136090, 163308, 164920, 166820, 175161, 184380, 190526, 200184, 204135, 233548, 247380, 250230, 258571, 272180, 285789, 291935, 326616, 333640, 350322, 368760, 381052, 408270, 467096, 476315, 494760, 500460, 517142, 544360, 571578, 583870, 700644, 762104, 775713, 816540, 875805, 952630, 1000920, 1034284, 1143156, 1167740, 1292855, 1401288, 1428945, 1551426, 1633080, 1751610, 1809997, 1905260, 2068568, 2286312, 2335480, 2585710, 2857890, 3102852, 3503220, 3619994, 3810520, 3878565, 5171420, 5429991, 5715780, 6205704, 7006440, 7239988, 7757130, 9049985, 10342840, 10859982, 11431560, 14479976, 15514260, 18099970, 21719964, 27149955, 31028520, 36199940, 43439928, 54299910, 72399880, 108599820, 217199640]

約数ペア:

[(1, 217199640), (2, 108599820), (3, 72399880), (4, 54299910), (5, 43439928), (6, 36199940), (7, 31028520), (8, 27149955), (10, 21719964), (12, 18099970), (14, 15514260), (15, 14479976), (19, 11431560), (20, 10859982), (21, 10342840), (24, 9049985), (28, 7757130), (30, 7239988), (31, 7006440), (35, 6205704), (38, 5715780), (40, 5429991), (42, 5171420), (56, 3878565), (57, 3810520), (60, 3619994), (62, 3503220), (70, 3102852), (76, 2857890), (84, 2585710), (93, 2335480), (95, 2286312), (105, 2068568), (114, 1905260), (120, 1809997), (124, 1751610), (133, 1633080), (140, 1551426), (152, 1428945), (155, 1401288), (168, 1292855), (186, 1167740), (190, 1143156), (210, 1034284), (217, 1000920), (228, 952630), (248, 875805), (266, 816540), (280, 775713), (285, 762104), (310, 700644), (372, 583870), (380, 571578), (399, 544360), (420, 517142), (434, 500460), (439, 494760), (456, 476315), (465, 467096), (532, 408270), (570, 381052), (589, 368760), (620, 350322), (651, 333640), (665, 326616), (744, 291935), (760, 285789), (798, 272180), (840, 258571), (868, 250230), (878, 247380), (930, 233548), (1064, 204135), (1085, 200184), (1140, 190526), (1178, 184380), (1240, 175161), (1302, 166820), (1317, 164920), (1330, 163308), (1596, 136090), (1736, 125115), (1756, 123690), (1767, 122920), (1860, 116774), (1995, 108872), (2170, 100092), (2195, 98952), (2280, 95263), (2356, 92190), (2604, 83410), (2634, 82460), (2660, 81654), (2945, 73752), (3073, 70680), (3192, 68045), (3255, 66728), (3512, 61845), (3534, 61460), (3720, 58387), (3990, 54436), (4123, 52680), (4340, 50046), (4390, 49476), (4712, 46095), (5208, 41705), (5268, 41230), (5320, 40827), (5890, 36876), (6146, 35340), (6510, 33364), (6585, 32984), (7068, 30730), (7980, 27218), (8246, 26340), (8341, 26040), (8680, 25023), (8780, 24738), (8835, 24584), (9219, 23560), (10536, 20615), (11780, 18438), (12292, 17670), (12369, 17560), (13020, 16682), (13170, 16492), (13609, 15960), (14136, 15365)]