81788160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 280355040

約数和(自身を除く): 198566880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 59, 60, 64, 76, 80, 95, 96, 114, 118, 120, 128, 152, 160, 177, 190, 192, 228, 236, 240, 256, 285, 295, 304, 320, 354, 361, 380, 384, 456, 472, 480, 570, 590, 608, 640, 708, 722, 760, 768, 885, 912, 944, 960, 1083, 1121, 1140, 1180, 1216, 1280, 1416, 1444, 1520, 1770, 1805, 1824, 1888, 1920, 2166, 2242, 2280, 2360, 2432, 2832, 2888, 3040, 3363, 3540, 3610, 3648, 3776, 3840, 4332, 4484, 4560, 4720, 4864, 5415, 5605, 5664, 5776, 6080, 6726, 7080, 7220, 7296, 7552, 8664, 8968, 9120, 9440, 10830, 11210, 11328, 11552, 12160, 13452, 14160, 14440, 14592, 15104, 16815, 17328, 17936, 18240, 18880, 21299, 21660, 22420, 22656, 23104, 24320, 26904, 28320, 28880, 33630, 34656, 35872, 36480, 37760, 42598, 43320, 44840, 45312, 46208, 53808, 56640, 57760, 63897, 67260, 69312, 71744, 72960, 75520, 85196, 86640, 89680, 92416, 106495, 107616, 113280, 115520, 127794, 134520, 138624, 143488, 170392, 173280, 179360, 212990, 215232, 226560, 231040, 255588, 269040, 277248, 286976, 319485, 340784, 346560, 358720, 425980, 430464, 462080, 511176, 538080, 638970, 681568, 693120, 717440, 851960, 860928, 1022352, 1076160, 1277940, 1363136, 1386240, 1434880, 1703920, 2044704, 2152320, 2555880, 2726272, 3407840, 4089408, 4304640, 5111760, 5452544, 6815680, 8178816, 10223520, 13631360, 16357632, 20447040, 27262720, 40894080, 81788160]

約数ペア:

[(1, 81788160), (2, 40894080), (3, 27262720), (4, 20447040), (5, 16357632), (6, 13631360), (8, 10223520), (10, 8178816), (12, 6815680), (15, 5452544), (16, 5111760), (19, 4304640), (20, 4089408), (24, 3407840), (30, 2726272), (32, 2555880), (38, 2152320), (40, 2044704), (48, 1703920), (57, 1434880), (59, 1386240), (60, 1363136), (64, 1277940), (76, 1076160), (80, 1022352), (95, 860928), (96, 851960), (114, 717440), (118, 693120), (120, 681568), (128, 638970), (152, 538080), (160, 511176), (177, 462080), (190, 430464), (192, 425980), (228, 358720), (236, 346560), (240, 340784), (256, 319485), (285, 286976), (295, 277248), (304, 269040), (320, 255588), (354, 231040), (361, 226560), (380, 215232), (384, 212990), (456, 179360), (472, 173280), (480, 170392), (570, 143488), (590, 138624), (608, 134520), (640, 127794), (708, 115520), (722, 113280), (760, 107616), (768, 106495), (885, 92416), (912, 89680), (944, 86640), (960, 85196), (1083, 75520), (1121, 72960), (1140, 71744), (1180, 69312), (1216, 67260), (1280, 63897), (1416, 57760), (1444, 56640), (1520, 53808), (1770, 46208), (1805, 45312), (1824, 44840), (1888, 43320), (1920, 42598), (2166, 37760), (2242, 36480), (2280, 35872), (2360, 34656), (2432, 33630), (2832, 28880), (2888, 28320), (3040, 26904), (3363, 24320), (3540, 23104), (3610, 22656), (3648, 22420), (3776, 21660), (3840, 21299), (4332, 18880), (4484, 18240), (4560, 17936), (4720, 17328), (4864, 16815), (5415, 15104), (5605, 14592), (5664, 14440), (5776, 14160), (6080, 13452), (6726, 12160), (7080, 11552), (7220, 11328), (7296, 11210), (7552, 10830), (8664, 9440), (8968, 9120)]