280126560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:605

約数の個数: 192

約数和(自身を含む): 1015483392

約数和(自身を除く): 735356832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 263, 280, 317, 336, 420, 480, 526, 560, 634, 672, 789, 840, 951, 1052, 1120, 1268, 1315, 1578, 1585, 1680, 1841, 1902, 2104, 2219, 2536, 2630, 3156, 3170, 3360, 3682, 3804, 3945, 4208, 4438, 4755, 5072, 5260, 5523, 6312, 6340, 6657, 7364, 7608, 7890, 8416, 8876, 9205, 9510, 10144, 10520, 11046, 11095, 12624, 12680, 13314, 14728, 15216, 15780, 17752, 18410, 19020, 21040, 22092, 22190, 25248, 25360, 26628, 27615, 29456, 30432, 31560, 33285, 35504, 36820, 38040, 42080, 44184, 44380, 50720, 53256, 55230, 58912, 63120, 66570, 71008, 73640, 76080, 83371, 88368, 88760, 106512, 110460, 126240, 133140, 147280, 152160, 166742, 176736, 177520, 213024, 220920, 250113, 266280, 294560, 333484, 355040, 416855, 441840, 500226, 532560, 583597, 666968, 833710, 883680, 1000452, 1065120, 1167194, 1250565, 1333936, 1667420, 1750791, 2000904, 2334388, 2501130, 2667872, 2917985, 3334840, 3501582, 4001808, 4668776, 5002260, 5835970, 6669680, 7003164, 8003616, 8753955, 9337552, 10004520, 11671940, 13339360, 14006328, 17507910, 18675104, 20009040, 23343880, 28012656, 35015820, 40018080, 46687760, 56025312, 70031640, 93375520, 140063280, 280126560]

約数ペア:

[(1, 280126560), (2, 140063280), (3, 93375520), (4, 70031640), (5, 56025312), (6, 46687760), (7, 40018080), (8, 35015820), (10, 28012656), (12, 23343880), (14, 20009040), (15, 18675104), (16, 17507910), (20, 14006328), (21, 13339360), (24, 11671940), (28, 10004520), (30, 9337552), (32, 8753955), (35, 8003616), (40, 7003164), (42, 6669680), (48, 5835970), (56, 5002260), (60, 4668776), (70, 4001808), (80, 3501582), (84, 3334840), (96, 2917985), (105, 2667872), (112, 2501130), (120, 2334388), (140, 2000904), (160, 1750791), (168, 1667420), (210, 1333936), (224, 1250565), (240, 1167194), (263, 1065120), (280, 1000452), (317, 883680), (336, 833710), (420, 666968), (480, 583597), (526, 532560), (560, 500226), (634, 441840), (672, 416855), (789, 355040), (840, 333484), (951, 294560), (1052, 266280), (1120, 250113), (1268, 220920), (1315, 213024), (1578, 177520), (1585, 176736), (1680, 166742), (1841, 152160), (1902, 147280), (2104, 133140), (2219, 126240), (2536, 110460), (2630, 106512), (3156, 88760), (3170, 88368), (3360, 83371), (3682, 76080), (3804, 73640), (3945, 71008), (4208, 66570), (4438, 63120), (4755, 58912), (5072, 55230), (5260, 53256), (5523, 50720), (6312, 44380), (6340, 44184), (6657, 42080), (7364, 38040), (7608, 36820), (7890, 35504), (8416, 33285), (8876, 31560), (9205, 30432), (9510, 29456), (10144, 27615), (10520, 26628), (11046, 25360), (11095, 25248), (12624, 22190), (12680, 22092), (13314, 21040), (14728, 19020), (15216, 18410), (15780, 17752)]