991010016

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 216

約数和(自身を含む): 3048055920

約数和(自身を除く): 2057045904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 41, 46, 48, 69, 72, 82, 89, 92, 96, 123, 138, 144, 164, 178, 184, 207, 246, 267, 276, 288, 328, 356, 368, 369, 414, 492, 534, 552, 656, 712, 736, 738, 801, 828, 943, 984, 1068, 1104, 1312, 1424, 1476, 1602, 1656, 1681, 1886, 1968, 2047, 2136, 2208, 2829, 2848, 2952, 3204, 3312, 3362, 3649, 3772, 3936, 4094, 4272, 5043, 5658, 5904, 6141, 6408, 6624, 6724, 7298, 7544, 8188, 8487, 8544, 10086, 10947, 11316, 11808, 12282, 12816, 13448, 14596, 15088, 15129, 16376, 16974, 18423, 20172, 21894, 22632, 24564, 25632, 26896, 29192, 30176, 30258, 32752, 32841, 33948, 36846, 38663, 40344, 43788, 45264, 49128, 53792, 58384, 60516, 65504, 65682, 67896, 73692, 77326, 80688, 83927, 87576, 90528, 98256, 115989, 116768, 121032, 131364, 135792, 147384, 149609, 154652, 161376, 167854, 175152, 196512, 231978, 242064, 251781, 262728, 271584, 294768, 299218, 309304, 335708, 347967, 350304, 448827, 463956, 484128, 503562, 525456, 589536, 598436, 618608, 671416, 695934, 755343, 897654, 927912, 1007124, 1050912, 1196872, 1237216, 1342832, 1346481, 1391868, 1510686, 1795308, 1855824, 2014248, 2393744, 2685664, 2692962, 2783736, 3021372, 3441007, 3590616, 3711648, 4028496, 4787488, 5385924, 5567472, 6042744, 6882014, 7181232, 8056992, 10323021, 10771848, 11134944, 12085488, 13764028, 14362464, 20646042, 21543696, 24170976, 27528056, 30969063, 41292084, 43087392, 55056112, 61938126, 82584168, 110112224, 123876252, 165168336, 247752504, 330336672, 495505008, 991010016]

約数ペア:

[(1, 991010016), (2, 495505008), (3, 330336672), (4, 247752504), (6, 165168336), (8, 123876252), (9, 110112224), (12, 82584168), (16, 61938126), (18, 55056112), (23, 43087392), (24, 41292084), (32, 30969063), (36, 27528056), (41, 24170976), (46, 21543696), (48, 20646042), (69, 14362464), (72, 13764028), (82, 12085488), (89, 11134944), (92, 10771848), (96, 10323021), (123, 8056992), (138, 7181232), (144, 6882014), (164, 6042744), (178, 5567472), (184, 5385924), (207, 4787488), (246, 4028496), (267, 3711648), (276, 3590616), (288, 3441007), (328, 3021372), (356, 2783736), (368, 2692962), (369, 2685664), (414, 2393744), (492, 2014248), (534, 1855824), (552, 1795308), (656, 1510686), (712, 1391868), (736, 1346481), (738, 1342832), (801, 1237216), (828, 1196872), (943, 1050912), (984, 1007124), (1068, 927912), (1104, 897654), (1312, 755343), (1424, 695934), (1476, 671416), (1602, 618608), (1656, 598436), (1681, 589536), (1886, 525456), (1968, 503562), (2047, 484128), (2136, 463956), (2208, 448827), (2829, 350304), (2848, 347967), (2952, 335708), (3204, 309304), (3312, 299218), (3362, 294768), (3649, 271584), (3772, 262728), (3936, 251781), (4094, 242064), (4272, 231978), (5043, 196512), (5658, 175152), (5904, 167854), (6141, 161376), (6408, 154652), (6624, 149609), (6724, 147384), (7298, 135792), (7544, 131364), (8188, 121032), (8487, 116768), (8544, 115989), (10086, 98256), (10947, 90528), (11316, 87576), (11808, 83927), (12282, 80688), (12816, 77326), (13448, 73692), (14596, 67896), (15088, 65682), (15129, 65504), (16376, 60516), (16974, 58384), (18423, 53792), (20172, 49128), (21894, 45264), (22632, 43788), (24564, 40344), (25632, 38663), (26896, 36846), (29192, 33948), (30176, 32841), (30258, 32752)]