68881680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 269268480

約数和(自身を除く): 200386800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 173, 180, 210, 237, 240, 252, 280, 315, 316, 336, 346, 360, 395, 420, 474, 504, 519, 553, 560, 630, 632, 692, 711, 720, 790, 840, 865, 948, 1008, 1038, 1106, 1185, 1211, 1260, 1264, 1384, 1422, 1557, 1580, 1659, 1680, 1730, 1896, 2076, 2212, 2370, 2422, 2520, 2595, 2765, 2768, 2844, 3114, 3160, 3318, 3460, 3555, 3633, 3792, 4152, 4424, 4740, 4844, 4977, 5040, 5190, 5530, 5688, 6055, 6228, 6320, 6636, 6920, 7110, 7266, 7785, 8295, 8304, 8848, 9480, 9688, 9954, 10380, 10899, 11060, 11376, 12110, 12456, 13272, 13667, 13840, 14220, 14532, 15570, 16590, 18165, 18960, 19376, 19908, 20760, 21798, 22120, 24220, 24885, 24912, 26544, 27334, 28440, 29064, 31140, 33180, 36330, 39816, 41001, 41520, 43596, 44240, 48440, 49770, 54495, 54668, 56880, 58128, 62280, 66360, 68335, 72660, 79632, 82002, 87192, 95669, 96880, 99540, 108990, 109336, 123003, 124560, 132720, 136670, 145320, 164004, 174384, 191338, 199080, 205005, 217980, 218672, 246006, 273340, 287007, 290640, 328008, 382676, 398160, 410010, 435960, 478345, 492012, 546680, 574014, 615015, 656016, 765352, 820020, 861021, 871920, 956690, 984024, 1093360, 1148028, 1230030, 1435035, 1530704, 1640040, 1722042, 1913380, 1968048, 2296056, 2460060, 2870070, 3280080, 3444084, 3826760, 4305105, 4592112, 4920120, 5740140, 6888168, 7653520, 8610210, 9840240, 11480280, 13776336, 17220420, 22960560, 34440840, 68881680]

約数ペア:

[(1, 68881680), (2, 34440840), (3, 22960560), (4, 17220420), (5, 13776336), (6, 11480280), (7, 9840240), (8, 8610210), (9, 7653520), (10, 6888168), (12, 5740140), (14, 4920120), (15, 4592112), (16, 4305105), (18, 3826760), (20, 3444084), (21, 3280080), (24, 2870070), (28, 2460060), (30, 2296056), (35, 1968048), (36, 1913380), (40, 1722042), (42, 1640040), (45, 1530704), (48, 1435035), (56, 1230030), (60, 1148028), (63, 1093360), (70, 984024), (72, 956690), (79, 871920), (80, 861021), (84, 820020), (90, 765352), (105, 656016), (112, 615015), (120, 574014), (126, 546680), (140, 492012), (144, 478345), (158, 435960), (168, 410010), (173, 398160), (180, 382676), (210, 328008), (237, 290640), (240, 287007), (252, 273340), (280, 246006), (315, 218672), (316, 217980), (336, 205005), (346, 199080), (360, 191338), (395, 174384), (420, 164004), (474, 145320), (504, 136670), (519, 132720), (553, 124560), (560, 123003), (630, 109336), (632, 108990), (692, 99540), (711, 96880), (720, 95669), (790, 87192), (840, 82002), (865, 79632), (948, 72660), (1008, 68335), (1038, 66360), (1106, 62280), (1185, 58128), (1211, 56880), (1260, 54668), (1264, 54495), (1384, 49770), (1422, 48440), (1557, 44240), (1580, 43596), (1659, 41520), (1680, 41001), (1730, 39816), (1896, 36330), (2076, 33180), (2212, 31140), (2370, 29064), (2422, 28440), (2520, 27334), (2595, 26544), (2765, 24912), (2768, 24885), (2844, 24220), (3114, 22120), (3160, 21798), (3318, 20760), (3460, 19908), (3555, 19376), (3633, 18960), (3792, 18165), (4152, 16590), (4424, 15570), (4740, 14532), (4844, 14220), (4977, 13840), (5040, 13667), (5190, 13272), (5530, 12456), (5688, 12110), (6055, 11376), (6228, 11060), (6320, 10899), (6636, 10380), (6920, 9954), (7110, 9688), (7266, 9480), (7785, 8848), (8295, 8304)]