81411200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 230193600

約数和(自身を除く): 148782400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 103, 104, 128, 130, 152, 160, 190, 200, 206, 208, 247, 260, 304, 320, 325, 380, 400, 412, 416, 475, 494, 515, 520, 608, 640, 650, 760, 800, 824, 832, 950, 988, 1030, 1040, 1216, 1235, 1300, 1339, 1520, 1600, 1648, 1664, 1900, 1957, 1976, 2060, 2080, 2432, 2470, 2575, 2600, 2678, 3040, 3200, 3296, 3800, 3914, 3952, 4120, 4160, 4940, 5150, 5200, 5356, 6080, 6175, 6592, 6695, 7600, 7828, 7904, 8240, 8320, 9785, 9880, 10300, 10400, 10712, 12160, 12350, 13184, 13390, 15200, 15656, 15808, 16480, 19570, 19760, 20600, 20800, 21424, 24700, 25441, 26780, 30400, 31312, 31616, 32960, 33475, 39140, 39520, 41200, 41600, 42848, 48925, 49400, 50882, 53560, 60800, 62624, 65920, 66950, 78280, 79040, 82400, 85696, 97850, 98800, 101764, 107120, 125248, 127205, 133900, 156560, 158080, 164800, 171392, 195700, 197600, 203528, 214240, 250496, 254410, 267800, 313120, 329600, 391400, 395200, 407056, 428480, 508820, 535600, 626240, 636025, 782800, 790400, 814112, 856960, 1017640, 1071200, 1252480, 1272050, 1565600, 1628224, 2035280, 2142400, 2544100, 3131200, 3256448, 4070560, 4284800, 5088200, 6262400, 8141120, 10176400, 16282240, 20352800, 40705600, 81411200]

約数ペア:

[(1, 81411200), (2, 40705600), (4, 20352800), (5, 16282240), (8, 10176400), (10, 8141120), (13, 6262400), (16, 5088200), (19, 4284800), (20, 4070560), (25, 3256448), (26, 3131200), (32, 2544100), (38, 2142400), (40, 2035280), (50, 1628224), (52, 1565600), (64, 1272050), (65, 1252480), (76, 1071200), (80, 1017640), (95, 856960), (100, 814112), (103, 790400), (104, 782800), (128, 636025), (130, 626240), (152, 535600), (160, 508820), (190, 428480), (200, 407056), (206, 395200), (208, 391400), (247, 329600), (260, 313120), (304, 267800), (320, 254410), (325, 250496), (380, 214240), (400, 203528), (412, 197600), (416, 195700), (475, 171392), (494, 164800), (515, 158080), (520, 156560), (608, 133900), (640, 127205), (650, 125248), (760, 107120), (800, 101764), (824, 98800), (832, 97850), (950, 85696), (988, 82400), (1030, 79040), (1040, 78280), (1216, 66950), (1235, 65920), (1300, 62624), (1339, 60800), (1520, 53560), (1600, 50882), (1648, 49400), (1664, 48925), (1900, 42848), (1957, 41600), (1976, 41200), (2060, 39520), (2080, 39140), (2432, 33475), (2470, 32960), (2575, 31616), (2600, 31312), (2678, 30400), (3040, 26780), (3200, 25441), (3296, 24700), (3800, 21424), (3914, 20800), (3952, 20600), (4120, 19760), (4160, 19570), (4940, 16480), (5150, 15808), (5200, 15656), (5356, 15200), (6080, 13390), (6175, 13184), (6592, 12350), (6695, 12160), (7600, 10712), (7828, 10400), (7904, 10300), (8240, 9880), (8320, 9785)]