1947751680

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{72461}}^1$

素因数の和:72492

約数の個数: 144

約数和(自身を含む): 7109391744

約数和(自身を除く): 5161640064

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, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 72461, 144922, 217383, 289844, 362305, 434766, 507227, 579688, 724610, 869532, 1014454, 1086915, 1159376, 1449220, 1521681, 1739064, 2028908, 2173830, 2318752, 2536135, 2898440, 3043362, 3478128, 4057816, 4347660, 4637504, 5072270, 5796880, 6086724, 6956256, 7608405, 8115632, 8695320, 9275008, 10144540, 11593760, 12173448, 13912512, 15216810, 16231264, 17390640, 18550016, 20289080, 23187520, 24346896, 27825024, 30433620, 32462528, 34781280, 40578160, 46375040, 48693792, 55650048, 60867240, 64925056, 69562560, 81156320, 92750080, 97387584, 121734480, 129850112, 139125120, 162312640, 194775168, 243468960, 278250240, 324625280, 389550336, 486937920, 649250560, 973875840, 1947751680]

約数ペア:

[(1, 1947751680), (2, 973875840), (3, 649250560), (4, 486937920), (5, 389550336), (6, 324625280), (7, 278250240), (8, 243468960), (10, 194775168), (12, 162312640), (14, 139125120), (15, 129850112), (16, 121734480), (20, 97387584), (21, 92750080), (24, 81156320), (28, 69562560), (30, 64925056), (32, 60867240), (35, 55650048), (40, 48693792), (42, 46375040), (48, 40578160), (56, 34781280), (60, 32462528), (64, 30433620), (70, 27825024), (80, 24346896), (84, 23187520), (96, 20289080), (105, 18550016), (112, 17390640), (120, 16231264), (128, 15216810), (140, 13912512), (160, 12173448), (168, 11593760), (192, 10144540), (210, 9275008), (224, 8695320), (240, 8115632), (256, 7608405), (280, 6956256), (320, 6086724), (336, 5796880), (384, 5072270), (420, 4637504), (448, 4347660), (480, 4057816), (560, 3478128), (640, 3043362), (672, 2898440), (768, 2536135), (840, 2318752), (896, 2173830), (960, 2028908), (1120, 1739064), (1280, 1521681), (1344, 1449220), (1680, 1159376), (1792, 1086915), (1920, 1014454), (2240, 869532), (2688, 724610), (3360, 579688), (3840, 507227), (4480, 434766), (5376, 362305), (6720, 289844), (8960, 217383), (13440, 144922), (26880, 72461)]