219190920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 256

約数和(自身を含む): 762048000

約数和(自身を除く): 542857080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 41, 46, 52, 60, 65, 69, 78, 82, 92, 104, 115, 120, 123, 130, 138, 149, 156, 164, 184, 195, 205, 230, 246, 260, 276, 298, 299, 312, 328, 345, 390, 410, 447, 460, 492, 520, 533, 552, 596, 598, 615, 690, 745, 780, 820, 894, 897, 920, 943, 984, 1066, 1192, 1196, 1230, 1380, 1490, 1495, 1560, 1599, 1640, 1788, 1794, 1886, 1937, 2132, 2235, 2392, 2460, 2665, 2760, 2829, 2980, 2990, 3198, 3427, 3576, 3588, 3772, 3874, 4264, 4470, 4485, 4715, 4920, 5330, 5658, 5811, 5960, 5980, 6109, 6396, 6854, 7176, 7544, 7748, 7995, 8940, 8970, 9430, 9685, 10281, 10660, 11316, 11622, 11960, 12218, 12259, 12792, 13708, 14145, 15496, 15990, 17135, 17880, 17940, 18327, 18860, 19370, 20562, 21320, 22632, 23244, 24436, 24518, 27416, 28290, 29055, 30545, 31980, 34270, 35880, 36654, 36777, 37720, 38740, 41124, 44551, 46488, 48872, 49036, 51405, 56580, 58110, 61090, 61295, 63960, 68540, 73308, 73554, 77480, 79417, 82248, 89102, 91635, 98072, 102810, 113160, 116220, 122180, 122590, 133653, 137080, 140507, 146616, 147108, 158834, 178204, 183270, 183885, 205620, 222755, 232440, 238251, 244360, 245180, 267306, 281014, 294216, 317668, 356408, 366540, 367770, 397085, 411240, 421521, 445510, 476502, 490360, 534612, 562028, 635336, 668265, 702535, 733080, 735540, 794170, 843042, 891020, 953004, 1069224, 1124056, 1191255, 1336530, 1405070, 1471080, 1588340, 1686084, 1782040, 1826591, 1906008, 2107605, 2382510, 2673060, 2810140, 3176680, 3372168, 3653182, 4215210, 4765020, 5346120, 5479773, 5620280, 7306364, 8430420, 9132955, 9530040, 10959546, 14612728, 16860840, 18265910, 21919092, 27398865, 36531820, 43838184, 54797730, 73063640, 109595460, 219190920]

約数ペア:

[(1, 219190920), (2, 109595460), (3, 73063640), (4, 54797730), (5, 43838184), (6, 36531820), (8, 27398865), (10, 21919092), (12, 18265910), (13, 16860840), (15, 14612728), (20, 10959546), (23, 9530040), (24, 9132955), (26, 8430420), (30, 7306364), (39, 5620280), (40, 5479773), (41, 5346120), (46, 4765020), (52, 4215210), (60, 3653182), (65, 3372168), (69, 3176680), (78, 2810140), (82, 2673060), (92, 2382510), (104, 2107605), (115, 1906008), (120, 1826591), (123, 1782040), (130, 1686084), (138, 1588340), (149, 1471080), (156, 1405070), (164, 1336530), (184, 1191255), (195, 1124056), (205, 1069224), (230, 953004), (246, 891020), (260, 843042), (276, 794170), (298, 735540), (299, 733080), (312, 702535), (328, 668265), (345, 635336), (390, 562028), (410, 534612), (447, 490360), (460, 476502), (492, 445510), (520, 421521), (533, 411240), (552, 397085), (596, 367770), (598, 366540), (615, 356408), (690, 317668), (745, 294216), (780, 281014), (820, 267306), (894, 245180), (897, 244360), (920, 238251), (943, 232440), (984, 222755), (1066, 205620), (1192, 183885), (1196, 183270), (1230, 178204), (1380, 158834), (1490, 147108), (1495, 146616), (1560, 140507), (1599, 137080), (1640, 133653), (1788, 122590), (1794, 122180), (1886, 116220), (1937, 113160), (2132, 102810), (2235, 98072), (2392, 91635), (2460, 89102), (2665, 82248), (2760, 79417), (2829, 77480), (2980, 73554), (2990, 73308), (3198, 68540), (3427, 63960), (3576, 61295), (3588, 61090), (3772, 58110), (3874, 56580), (4264, 51405), (4470, 49036), (4485, 48872), (4715, 46488), (4920, 44551), (5330, 41124), (5658, 38740), (5811, 37720), (5960, 36777), (5980, 36654), (6109, 35880), (6396, 34270), (6854, 31980), (7176, 30545), (7544, 29055), (7748, 28290), (7995, 27416), (8940, 24518), (8970, 24436), (9430, 23244), (9685, 22632), (10281, 21320), (10660, 20562), (11316, 19370), (11622, 18860), (11960, 18327), (12218, 17940), (12259, 17880), (12792, 17135), (13708, 15990), (14145, 15496)]