71868160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 212216256

約数和(自身を除く): 140348096

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 617, 640, 728, 832, 896, 910, 1040, 1120, 1234, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2468, 2912, 3085, 3328, 3640, 4160, 4319, 4480, 4936, 5824, 6170, 7280, 8021, 8320, 8638, 8960, 9872, 11648, 12340, 14560, 16042, 16640, 17276, 19744, 21595, 23296, 24680, 29120, 32084, 34552, 39488, 40105, 43190, 49360, 56147, 58240, 64168, 69104, 78976, 80210, 86380, 98720, 112294, 116480, 128336, 138208, 157952, 160420, 172760, 197440, 224588, 256672, 276416, 280735, 320840, 345520, 394880, 449176, 513344, 552832, 561470, 641680, 691040, 789760, 898352, 1026688, 1105664, 1122940, 1283360, 1382080, 1796704, 2053376, 2245880, 2566720, 2764160, 3593408, 4491760, 5133440, 5528320, 7186816, 8983520, 10266880, 14373632, 17967040, 35934080, 71868160]

約数ペア:

[(1, 71868160), (2, 35934080), (4, 17967040), (5, 14373632), (7, 10266880), (8, 8983520), (10, 7186816), (13, 5528320), (14, 5133440), (16, 4491760), (20, 3593408), (26, 2764160), (28, 2566720), (32, 2245880), (35, 2053376), (40, 1796704), (52, 1382080), (56, 1283360), (64, 1122940), (65, 1105664), (70, 1026688), (80, 898352), (91, 789760), (104, 691040), (112, 641680), (128, 561470), (130, 552832), (140, 513344), (160, 449176), (182, 394880), (208, 345520), (224, 320840), (256, 280735), (260, 276416), (280, 256672), (320, 224588), (364, 197440), (416, 172760), (448, 160420), (455, 157952), (520, 138208), (560, 128336), (617, 116480), (640, 112294), (728, 98720), (832, 86380), (896, 80210), (910, 78976), (1040, 69104), (1120, 64168), (1234, 58240), (1280, 56147), (1456, 49360), (1664, 43190), (1792, 40105), (1820, 39488), (2080, 34552), (2240, 32084), (2468, 29120), (2912, 24680), (3085, 23296), (3328, 21595), (3640, 19744), (4160, 17276), (4319, 16640), (4480, 16042), (4936, 14560), (5824, 12340), (6170, 11648), (7280, 9872), (8021, 8960), (8320, 8638)]