18426240

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:489

約数の個数: 192

約数和(自身を含む): 72876960

約数和(自身を除く): 54450720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 457, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 914, 960, 1008, 1120, 1152, 1260, 1344, 1371, 1440, 1680, 1828, 1920, 2016, 2240, 2285, 2520, 2688, 2742, 2880, 3199, 3360, 3656, 4032, 4113, 4480, 4570, 5040, 5484, 5760, 6398, 6720, 6855, 7312, 8064, 8226, 9140, 9597, 10080, 10968, 12796, 13440, 13710, 14624, 15995, 16452, 18280, 19194, 20160, 20565, 21936, 25592, 27420, 28791, 29248, 31990, 32904, 36560, 38388, 40320, 41130, 43872, 47985, 51184, 54840, 57582, 58496, 63980, 65808, 73120, 76776, 82260, 87744, 95970, 102368, 109680, 115164, 127960, 131616, 143955, 146240, 153552, 164520, 175488, 191940, 204736, 219360, 230328, 255920, 263232, 287910, 292480, 307104, 329040, 383880, 409472, 438720, 460656, 511840, 526464, 575820, 614208, 658080, 767760, 877440, 921312, 1023680, 1151640, 1228416, 1316160, 1535520, 1842624, 2047360, 2303280, 2632320, 3071040, 3685248, 4606560, 6142080, 9213120, 18426240]

約数ペア:

[(1, 18426240), (2, 9213120), (3, 6142080), (4, 4606560), (5, 3685248), (6, 3071040), (7, 2632320), (8, 2303280), (9, 2047360), (10, 1842624), (12, 1535520), (14, 1316160), (15, 1228416), (16, 1151640), (18, 1023680), (20, 921312), (21, 877440), (24, 767760), (28, 658080), (30, 614208), (32, 575820), (35, 526464), (36, 511840), (40, 460656), (42, 438720), (45, 409472), (48, 383880), (56, 329040), (60, 307104), (63, 292480), (64, 287910), (70, 263232), (72, 255920), (80, 230328), (84, 219360), (90, 204736), (96, 191940), (105, 175488), (112, 164520), (120, 153552), (126, 146240), (128, 143955), (140, 131616), (144, 127960), (160, 115164), (168, 109680), (180, 102368), (192, 95970), (210, 87744), (224, 82260), (240, 76776), (252, 73120), (280, 65808), (288, 63980), (315, 58496), (320, 57582), (336, 54840), (360, 51184), (384, 47985), (420, 43872), (448, 41130), (457, 40320), (480, 38388), (504, 36560), (560, 32904), (576, 31990), (630, 29248), (640, 28791), (672, 27420), (720, 25592), (840, 21936), (896, 20565), (914, 20160), (960, 19194), (1008, 18280), (1120, 16452), (1152, 15995), (1260, 14624), (1344, 13710), (1371, 13440), (1440, 12796), (1680, 10968), (1828, 10080), (1920, 9597), (2016, 9140), (2240, 8226), (2285, 8064), (2520, 7312), (2688, 6855), (2742, 6720), (2880, 6398), (3199, 5760), (3360, 5484), (3656, 5040), (4032, 4570), (4113, 4480)]