18220800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 65645104

約数和(自身を除く): 47424304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 73, 75, 78, 80, 96, 100, 104, 120, 128, 130, 146, 150, 156, 160, 192, 195, 200, 208, 219, 240, 256, 260, 292, 300, 312, 320, 325, 365, 384, 390, 400, 416, 438, 480, 520, 584, 600, 624, 640, 650, 730, 768, 780, 800, 832, 876, 949, 960, 975, 1040, 1095, 1168, 1200, 1248, 1280, 1300, 1460, 1560, 1600, 1664, 1752, 1825, 1898, 1920, 1950, 2080, 2190, 2336, 2400, 2496, 2600, 2847, 2920, 3120, 3200, 3328, 3504, 3650, 3796, 3840, 3900, 4160, 4380, 4672, 4745, 4800, 4992, 5200, 5475, 5694, 5840, 6240, 6400, 7008, 7300, 7592, 7800, 8320, 8760, 9344, 9490, 9600, 9984, 10400, 10950, 11388, 11680, 12480, 14016, 14235, 14600, 15184, 15600, 16640, 17520, 18688, 18980, 19200, 20800, 21900, 22776, 23360, 23725, 24960, 28032, 28470, 29200, 30368, 31200, 35040, 37960, 41600, 43800, 45552, 46720, 47450, 49920, 56064, 56940, 58400, 60736, 62400, 70080, 71175, 75920, 83200, 87600, 91104, 93440, 94900, 113880, 116800, 121472, 124800, 140160, 142350, 151840, 175200, 182208, 189800, 227760, 233600, 242944, 249600, 280320, 284700, 303680, 350400, 364416, 379600, 455520, 467200, 569400, 607360, 700800, 728832, 759200, 911040, 1138800, 1214720, 1401600, 1518400, 1822080, 2277600, 3036800, 3644160, 4555200, 6073600, 9110400, 18220800]

約数ペア:

[(1, 18220800), (2, 9110400), (3, 6073600), (4, 4555200), (5, 3644160), (6, 3036800), (8, 2277600), (10, 1822080), (12, 1518400), (13, 1401600), (15, 1214720), (16, 1138800), (20, 911040), (24, 759200), (25, 728832), (26, 700800), (30, 607360), (32, 569400), (39, 467200), (40, 455520), (48, 379600), (50, 364416), (52, 350400), (60, 303680), (64, 284700), (65, 280320), (73, 249600), (75, 242944), (78, 233600), (80, 227760), (96, 189800), (100, 182208), (104, 175200), (120, 151840), (128, 142350), (130, 140160), (146, 124800), (150, 121472), (156, 116800), (160, 113880), (192, 94900), (195, 93440), (200, 91104), (208, 87600), (219, 83200), (240, 75920), (256, 71175), (260, 70080), (292, 62400), (300, 60736), (312, 58400), (320, 56940), (325, 56064), (365, 49920), (384, 47450), (390, 46720), (400, 45552), (416, 43800), (438, 41600), (480, 37960), (520, 35040), (584, 31200), (600, 30368), (624, 29200), (640, 28470), (650, 28032), (730, 24960), (768, 23725), (780, 23360), (800, 22776), (832, 21900), (876, 20800), (949, 19200), (960, 18980), (975, 18688), (1040, 17520), (1095, 16640), (1168, 15600), (1200, 15184), (1248, 14600), (1280, 14235), (1300, 14016), (1460, 12480), (1560, 11680), (1600, 11388), (1664, 10950), (1752, 10400), (1825, 9984), (1898, 9600), (1920, 9490), (1950, 9344), (2080, 8760), (2190, 8320), (2336, 7800), (2400, 7592), (2496, 7300), (2600, 7008), (2847, 6400), (2920, 6240), (3120, 5840), (3200, 5694), (3328, 5475), (3504, 5200), (3650, 4992), (3796, 4800), (3840, 4745), (3900, 4672), (4160, 4380)]