18711360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 168

約数和(自身を含む): 65973960

約数和(自身を除く): 47262600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 89, 90, 96, 120, 144, 146, 160, 178, 180, 192, 219, 240, 267, 288, 292, 320, 356, 360, 365, 438, 445, 480, 534, 576, 584, 657, 712, 720, 730, 801, 876, 890, 960, 1068, 1095, 1168, 1314, 1335, 1424, 1440, 1460, 1602, 1752, 1780, 2136, 2190, 2336, 2628, 2670, 2848, 2880, 2920, 3204, 3285, 3504, 3560, 4005, 4272, 4380, 4672, 5256, 5340, 5696, 5840, 6408, 6497, 6570, 7008, 7120, 8010, 8544, 8760, 10512, 10680, 11680, 12816, 12994, 13140, 14016, 14240, 16020, 17088, 17520, 19491, 21024, 21360, 23360, 25632, 25988, 26280, 28480, 32040, 32485, 35040, 38982, 42048, 42720, 51264, 51976, 52560, 58473, 64080, 64970, 70080, 77964, 85440, 97455, 103952, 105120, 116946, 128160, 129940, 155928, 194910, 207904, 210240, 233892, 256320, 259880, 292365, 311856, 389820, 415808, 467784, 519760, 584730, 623712, 779640, 935568, 1039520, 1169460, 1247424, 1559280, 1871136, 2079040, 2338920, 3118560, 3742272, 4677840, 6237120, 9355680, 18711360]

約数ペア:

[(1, 18711360), (2, 9355680), (3, 6237120), (4, 4677840), (5, 3742272), (6, 3118560), (8, 2338920), (9, 2079040), (10, 1871136), (12, 1559280), (15, 1247424), (16, 1169460), (18, 1039520), (20, 935568), (24, 779640), (30, 623712), (32, 584730), (36, 519760), (40, 467784), (45, 415808), (48, 389820), (60, 311856), (64, 292365), (72, 259880), (73, 256320), (80, 233892), (89, 210240), (90, 207904), (96, 194910), (120, 155928), (144, 129940), (146, 128160), (160, 116946), (178, 105120), (180, 103952), (192, 97455), (219, 85440), (240, 77964), (267, 70080), (288, 64970), (292, 64080), (320, 58473), (356, 52560), (360, 51976), (365, 51264), (438, 42720), (445, 42048), (480, 38982), (534, 35040), (576, 32485), (584, 32040), (657, 28480), (712, 26280), (720, 25988), (730, 25632), (801, 23360), (876, 21360), (890, 21024), (960, 19491), (1068, 17520), (1095, 17088), (1168, 16020), (1314, 14240), (1335, 14016), (1424, 13140), (1440, 12994), (1460, 12816), (1602, 11680), (1752, 10680), (1780, 10512), (2136, 8760), (2190, 8544), (2336, 8010), (2628, 7120), (2670, 7008), (2848, 6570), (2880, 6497), (2920, 6408), (3204, 5840), (3285, 5696), (3504, 5340), (3560, 5256), (4005, 4672), (4272, 4380)]