18640160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 58786560

約数和(自身を除く): 40146400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 89, 110, 112, 119, 136, 140, 154, 160, 170, 176, 178, 187, 220, 224, 238, 272, 280, 308, 340, 352, 356, 374, 385, 440, 445, 476, 544, 560, 595, 616, 623, 680, 712, 748, 770, 880, 890, 935, 952, 979, 1120, 1190, 1232, 1246, 1309, 1360, 1424, 1496, 1513, 1540, 1760, 1780, 1870, 1904, 1958, 2380, 2464, 2492, 2618, 2720, 2848, 2992, 3026, 3080, 3115, 3560, 3740, 3808, 3916, 4760, 4895, 4984, 5236, 5984, 6052, 6160, 6230, 6545, 6853, 7120, 7480, 7565, 7832, 9520, 9790, 9968, 10472, 10591, 12104, 12320, 12460, 13090, 13706, 14240, 14960, 15130, 15664, 16643, 19040, 19580, 19936, 20944, 21182, 24208, 24920, 26180, 27412, 29920, 30260, 31328, 33286, 34265, 39160, 41888, 42364, 48416, 49840, 52360, 52955, 54824, 60520, 66572, 68530, 78320, 83215, 84728, 99680, 104720, 105910, 109648, 116501, 121040, 133144, 137060, 156640, 166430, 169456, 209440, 211820, 219296, 233002, 242080, 266288, 274120, 332860, 338912, 423640, 466004, 532576, 548240, 582505, 665720, 847280, 932008, 1096480, 1165010, 1331440, 1694560, 1864016, 2330020, 2662880, 3728032, 4660040, 9320080, 18640160]

約数ペア:

[(1, 18640160), (2, 9320080), (4, 4660040), (5, 3728032), (7, 2662880), (8, 2330020), (10, 1864016), (11, 1694560), (14, 1331440), (16, 1165010), (17, 1096480), (20, 932008), (22, 847280), (28, 665720), (32, 582505), (34, 548240), (35, 532576), (40, 466004), (44, 423640), (55, 338912), (56, 332860), (68, 274120), (70, 266288), (77, 242080), (80, 233002), (85, 219296), (88, 211820), (89, 209440), (110, 169456), (112, 166430), (119, 156640), (136, 137060), (140, 133144), (154, 121040), (160, 116501), (170, 109648), (176, 105910), (178, 104720), (187, 99680), (220, 84728), (224, 83215), (238, 78320), (272, 68530), (280, 66572), (308, 60520), (340, 54824), (352, 52955), (356, 52360), (374, 49840), (385, 48416), (440, 42364), (445, 41888), (476, 39160), (544, 34265), (560, 33286), (595, 31328), (616, 30260), (623, 29920), (680, 27412), (712, 26180), (748, 24920), (770, 24208), (880, 21182), (890, 20944), (935, 19936), (952, 19580), (979, 19040), (1120, 16643), (1190, 15664), (1232, 15130), (1246, 14960), (1309, 14240), (1360, 13706), (1424, 13090), (1496, 12460), (1513, 12320), (1540, 12104), (1760, 10591), (1780, 10472), (1870, 9968), (1904, 9790), (1958, 9520), (2380, 7832), (2464, 7565), (2492, 7480), (2618, 7120), (2720, 6853), (2848, 6545), (2992, 6230), (3026, 6160), (3080, 6052), (3115, 5984), (3560, 5236), (3740, 4984), (3808, 4895), (3916, 4760)]