18021120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 216

約数和(自身を含む): 65416176

約数和(自身を除く): 47395056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 128, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 256, 260, 285, 304, 312, 320, 361, 380, 384, 390, 416, 456, 480, 494, 520, 570, 608, 624, 640, 722, 741, 760, 768, 780, 832, 912, 960, 988, 1040, 1083, 1140, 1216, 1235, 1248, 1280, 1444, 1482, 1520, 1560, 1664, 1805, 1824, 1920, 1976, 2080, 2166, 2280, 2432, 2470, 2496, 2888, 2964, 3040, 3120, 3328, 3610, 3648, 3705, 3840, 3952, 4160, 4332, 4560, 4693, 4864, 4940, 4992, 5415, 5776, 5928, 6080, 6240, 7220, 7296, 7410, 7904, 8320, 8664, 9120, 9386, 9880, 9984, 10830, 11552, 11856, 12160, 12480, 14079, 14440, 14592, 14820, 15808, 16640, 17328, 18240, 18772, 19760, 21660, 23104, 23465, 23712, 24320, 24960, 28158, 28880, 29640, 31616, 34656, 36480, 37544, 39520, 43320, 46208, 46930, 47424, 49920, 56316, 57760, 59280, 63232, 69312, 70395, 72960, 75088, 79040, 86640, 92416, 93860, 94848, 112632, 115520, 118560, 138624, 140790, 150176, 158080, 173280, 187720, 189696, 225264, 231040, 237120, 277248, 281580, 300352, 316160, 346560, 375440, 450528, 462080, 474240, 563160, 600704, 693120, 750880, 901056, 948480, 1126320, 1201408, 1386240, 1501760, 1802112, 2252640, 3003520, 3604224, 4505280, 6007040, 9010560, 18021120]

約数ペア:

[(1, 18021120), (2, 9010560), (3, 6007040), (4, 4505280), (5, 3604224), (6, 3003520), (8, 2252640), (10, 1802112), (12, 1501760), (13, 1386240), (15, 1201408), (16, 1126320), (19, 948480), (20, 901056), (24, 750880), (26, 693120), (30, 600704), (32, 563160), (38, 474240), (39, 462080), (40, 450528), (48, 375440), (52, 346560), (57, 316160), (60, 300352), (64, 281580), (65, 277248), (76, 237120), (78, 231040), (80, 225264), (95, 189696), (96, 187720), (104, 173280), (114, 158080), (120, 150176), (128, 140790), (130, 138624), (152, 118560), (156, 115520), (160, 112632), (190, 94848), (192, 93860), (195, 92416), (208, 86640), (228, 79040), (240, 75088), (247, 72960), (256, 70395), (260, 69312), (285, 63232), (304, 59280), (312, 57760), (320, 56316), (361, 49920), (380, 47424), (384, 46930), (390, 46208), (416, 43320), (456, 39520), (480, 37544), (494, 36480), (520, 34656), (570, 31616), (608, 29640), (624, 28880), (640, 28158), (722, 24960), (741, 24320), (760, 23712), (768, 23465), (780, 23104), (832, 21660), (912, 19760), (960, 18772), (988, 18240), (1040, 17328), (1083, 16640), (1140, 15808), (1216, 14820), (1235, 14592), (1248, 14440), (1280, 14079), (1444, 12480), (1482, 12160), (1520, 11856), (1560, 11552), (1664, 10830), (1805, 9984), (1824, 9880), (1920, 9386), (1976, 9120), (2080, 8664), (2166, 8320), (2280, 7904), (2432, 7410), (2470, 7296), (2496, 7220), (2888, 6240), (2964, 6080), (3040, 5928), (3120, 5776), (3328, 5415), (3610, 4992), (3648, 4940), (3705, 4864), (3840, 4693), (3952, 4560), (4160, 4332)]