1223990880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2659}}^1$

素因数の和:2821

約数の個数: 192

約数和(自身を含む): 4440199680

約数和(自身を除く): 3216208800

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, 137, 140, 160, 168, 210, 224, 240, 274, 280, 336, 411, 420, 480, 548, 560, 672, 685, 822, 840, 959, 1096, 1120, 1370, 1644, 1680, 1918, 2055, 2192, 2659, 2740, 2877, 3288, 3360, 3836, 4110, 4384, 4795, 5318, 5480, 5754, 6576, 7672, 7977, 8220, 9590, 10636, 10960, 11508, 13152, 13295, 14385, 15344, 15954, 16440, 18613, 19180, 21272, 21920, 23016, 26590, 28770, 30688, 31908, 32880, 37226, 38360, 39885, 42544, 46032, 53180, 55839, 57540, 63816, 65760, 74452, 76720, 79770, 85088, 92064, 93065, 106360, 111678, 115080, 127632, 148904, 153440, 159540, 186130, 212720, 223356, 230160, 255264, 279195, 297808, 319080, 364283, 372260, 425440, 446712, 460320, 558390, 595616, 638160, 728566, 744520, 893424, 1092849, 1116780, 1276320, 1457132, 1489040, 1786848, 1821415, 2185698, 2233560, 2549981, 2914264, 2978080, 3642830, 4371396, 4467120, 5099962, 5464245, 5828528, 7285660, 7649943, 8742792, 8934240, 10199924, 10928490, 11657056, 12749905, 14571320, 15299886, 17485584, 20399848, 21856980, 25499810, 29142640, 30599772, 34971168, 38249715, 40799696, 43713960, 50999620, 58285280, 61199544, 76499430, 81599392, 87427920, 101999240, 122399088, 152998860, 174855840, 203998480, 244798176, 305997720, 407996960, 611995440, 1223990880]

約数ペア:

[(1, 1223990880), (2, 611995440), (3, 407996960), (4, 305997720), (5, 244798176), (6, 203998480), (7, 174855840), (8, 152998860), (10, 122399088), (12, 101999240), (14, 87427920), (15, 81599392), (16, 76499430), (20, 61199544), (21, 58285280), (24, 50999620), (28, 43713960), (30, 40799696), (32, 38249715), (35, 34971168), (40, 30599772), (42, 29142640), (48, 25499810), (56, 21856980), (60, 20399848), (70, 17485584), (80, 15299886), (84, 14571320), (96, 12749905), (105, 11657056), (112, 10928490), (120, 10199924), (137, 8934240), (140, 8742792), (160, 7649943), (168, 7285660), (210, 5828528), (224, 5464245), (240, 5099962), (274, 4467120), (280, 4371396), (336, 3642830), (411, 2978080), (420, 2914264), (480, 2549981), (548, 2233560), (560, 2185698), (672, 1821415), (685, 1786848), (822, 1489040), (840, 1457132), (959, 1276320), (1096, 1116780), (1120, 1092849), (1370, 893424), (1644, 744520), (1680, 728566), (1918, 638160), (2055, 595616), (2192, 558390), (2659, 460320), (2740, 446712), (2877, 425440), (3288, 372260), (3360, 364283), (3836, 319080), (4110, 297808), (4384, 279195), (4795, 255264), (5318, 230160), (5480, 223356), (5754, 212720), (6576, 186130), (7672, 159540), (7977, 153440), (8220, 148904), (9590, 127632), (10636, 115080), (10960, 111678), (11508, 106360), (13152, 93065), (13295, 92064), (14385, 85088), (15344, 79770), (15954, 76720), (16440, 74452), (18613, 65760), (19180, 63816), (21272, 57540), (21920, 55839), (23016, 53180), (26590, 46032), (28770, 42544), (30688, 39885), (31908, 38360), (32880, 37226)]