278536440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1166

約数の個数: 256

約数和(自身を含む): 1074124800

約数和(自身を除く): 795588360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1092, 1109, 1196, 1288, 1365, 1380, 1495, 1560, 1610, 1794, 1820, 1932, 2093, 2184, 2218, 2392, 2415, 2730, 2760, 2990, 3220, 3327, 3588, 3640, 3864, 4186, 4436, 4485, 4830, 5460, 5545, 5980, 6279, 6440, 6654, 7176, 7763, 8372, 8872, 8970, 9660, 10465, 10920, 11090, 11960, 12558, 13308, 14417, 15526, 16635, 16744, 17940, 19320, 20930, 22180, 23289, 25116, 25507, 26616, 28834, 31052, 31395, 33270, 35880, 38815, 41860, 43251, 44360, 46578, 50232, 51014, 57668, 62104, 62790, 66540, 72085, 76521, 77630, 83720, 86502, 93156, 100919, 102028, 115336, 116445, 125580, 127535, 133080, 144170, 153042, 155260, 173004, 178549, 186312, 201838, 204056, 216255, 232890, 251160, 255070, 288340, 302757, 306084, 310520, 331591, 346008, 357098, 382605, 403676, 432510, 465780, 504595, 510140, 535647, 576680, 605514, 612168, 663182, 714196, 765210, 807352, 865020, 892745, 931560, 994773, 1009190, 1020280, 1071294, 1211028, 1326364, 1428392, 1513785, 1530420, 1657955, 1730040, 1785490, 1989546, 2018380, 2142588, 2321137, 2422056, 2652728, 2678235, 3027570, 3060840, 3315910, 3570980, 3979092, 4036760, 4285176, 4642274, 4973865, 5356470, 6055140, 6631820, 6963411, 7141960, 7958184, 9284548, 9947730, 10712940, 11605685, 12110280, 13263640, 13926822, 18569096, 19895460, 21425880, 23211370, 27853644, 34817055, 39790920, 46422740, 55707288, 69634110, 92845480, 139268220, 278536440]

約数ペア:

[(1, 278536440), (2, 139268220), (3, 92845480), (4, 69634110), (5, 55707288), (6, 46422740), (7, 39790920), (8, 34817055), (10, 27853644), (12, 23211370), (13, 21425880), (14, 19895460), (15, 18569096), (20, 13926822), (21, 13263640), (23, 12110280), (24, 11605685), (26, 10712940), (28, 9947730), (30, 9284548), (35, 7958184), (39, 7141960), (40, 6963411), (42, 6631820), (46, 6055140), (52, 5356470), (56, 4973865), (60, 4642274), (65, 4285176), (69, 4036760), (70, 3979092), (78, 3570980), (84, 3315910), (91, 3060840), (92, 3027570), (104, 2678235), (105, 2652728), (115, 2422056), (120, 2321137), (130, 2142588), (138, 2018380), (140, 1989546), (156, 1785490), (161, 1730040), (168, 1657955), (182, 1530420), (184, 1513785), (195, 1428392), (210, 1326364), (230, 1211028), (260, 1071294), (273, 1020280), (276, 1009190), (280, 994773), (299, 931560), (312, 892745), (322, 865020), (345, 807352), (364, 765210), (390, 714196), (420, 663182), (455, 612168), (460, 605514), (483, 576680), (520, 535647), (546, 510140), (552, 504595), (598, 465780), (644, 432510), (690, 403676), (728, 382605), (780, 357098), (805, 346008), (840, 331591), (897, 310520), (910, 306084), (920, 302757), (966, 288340), (1092, 255070), (1109, 251160), (1196, 232890), (1288, 216255), (1365, 204056), (1380, 201838), (1495, 186312), (1560, 178549), (1610, 173004), (1794, 155260), (1820, 153042), (1932, 144170), (2093, 133080), (2184, 127535), (2218, 125580), (2392, 116445), (2415, 115336), (2730, 102028), (2760, 100919), (2990, 93156), (3220, 86502), (3327, 83720), (3588, 77630), (3640, 76521), (3864, 72085), (4186, 66540), (4436, 62790), (4485, 62104), (4830, 57668), (5460, 51014), (5545, 50232), (5980, 46578), (6279, 44360), (6440, 43251), (6654, 41860), (7176, 38815), (7763, 35880), (8372, 33270), (8872, 31395), (8970, 31052), (9660, 28834), (10465, 26616), (10920, 25507), (11090, 25116), (11960, 23289), (12558, 22180), (13308, 20930), (14417, 19320), (15526, 17940), (16635, 16744)]