18414720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 66830400

約数和(自身を除く): 48415680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 139, 144, 160, 180, 184, 192, 207, 230, 240, 276, 278, 288, 320, 345, 360, 368, 384, 414, 417, 460, 480, 552, 556, 576, 640, 690, 695, 720, 736, 828, 834, 920, 960, 1035, 1104, 1112, 1152, 1251, 1380, 1390, 1440, 1472, 1656, 1668, 1840, 1920, 2070, 2085, 2208, 2224, 2502, 2760, 2780, 2880, 2944, 3197, 3312, 3336, 3680, 4140, 4170, 4416, 4448, 5004, 5520, 5560, 5760, 6255, 6394, 6624, 6672, 7360, 8280, 8340, 8832, 8896, 9591, 10008, 11040, 11120, 12510, 12788, 13248, 13344, 14720, 15985, 16560, 16680, 17792, 19182, 20016, 22080, 22240, 25020, 25576, 26496, 26688, 28773, 31970, 33120, 33360, 38364, 40032, 44160, 44480, 47955, 50040, 51152, 53376, 57546, 63940, 66240, 66720, 76728, 80064, 88960, 95910, 100080, 102304, 115092, 127880, 132480, 133440, 143865, 153456, 160128, 191820, 200160, 204608, 230184, 255760, 266880, 287730, 306912, 383640, 400320, 409216, 460368, 511520, 575460, 613824, 767280, 800640, 920736, 1023040, 1150920, 1227648, 1534560, 1841472, 2046080, 2301840, 3069120, 3682944, 4603680, 6138240, 9207360, 18414720]

約数ペア:

[(1, 18414720), (2, 9207360), (3, 6138240), (4, 4603680), (5, 3682944), (6, 3069120), (8, 2301840), (9, 2046080), (10, 1841472), (12, 1534560), (15, 1227648), (16, 1150920), (18, 1023040), (20, 920736), (23, 800640), (24, 767280), (30, 613824), (32, 575460), (36, 511520), (40, 460368), (45, 409216), (46, 400320), (48, 383640), (60, 306912), (64, 287730), (69, 266880), (72, 255760), (80, 230184), (90, 204608), (92, 200160), (96, 191820), (115, 160128), (120, 153456), (128, 143865), (138, 133440), (139, 132480), (144, 127880), (160, 115092), (180, 102304), (184, 100080), (192, 95910), (207, 88960), (230, 80064), (240, 76728), (276, 66720), (278, 66240), (288, 63940), (320, 57546), (345, 53376), (360, 51152), (368, 50040), (384, 47955), (414, 44480), (417, 44160), (460, 40032), (480, 38364), (552, 33360), (556, 33120), (576, 31970), (640, 28773), (690, 26688), (695, 26496), (720, 25576), (736, 25020), (828, 22240), (834, 22080), (920, 20016), (960, 19182), (1035, 17792), (1104, 16680), (1112, 16560), (1152, 15985), (1251, 14720), (1380, 13344), (1390, 13248), (1440, 12788), (1472, 12510), (1656, 11120), (1668, 11040), (1840, 10008), (1920, 9591), (2070, 8896), (2085, 8832), (2208, 8340), (2224, 8280), (2502, 7360), (2760, 6672), (2780, 6624), (2880, 6394), (2944, 6255), (3197, 5760), (3312, 5560), (3336, 5520), (3680, 5004), (4140, 4448), (4170, 4416)]