18343680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 62252064

約数和(自身を除く): 43908384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 281, 320, 340, 384, 408, 480, 510, 544, 562, 640, 680, 768, 816, 843, 960, 1020, 1088, 1124, 1280, 1360, 1405, 1632, 1686, 1920, 2040, 2176, 2248, 2720, 2810, 3264, 3372, 3840, 4080, 4215, 4352, 4496, 4777, 5440, 5620, 6528, 6744, 8160, 8430, 8992, 9554, 10880, 11240, 13056, 13488, 14331, 16320, 16860, 17984, 19108, 21760, 22480, 23885, 26976, 28662, 32640, 33720, 35968, 38216, 44960, 47770, 53952, 57324, 65280, 67440, 71655, 71936, 76432, 89920, 95540, 107904, 114648, 134880, 143310, 152864, 179840, 191080, 215808, 229296, 269760, 286620, 305728, 359680, 382160, 458592, 539520, 573240, 611456, 764320, 917184, 1079040, 1146480, 1222912, 1528640, 1834368, 2292960, 3057280, 3668736, 4585920, 6114560, 9171840, 18343680]

約数ペア:

[(1, 18343680), (2, 9171840), (3, 6114560), (4, 4585920), (5, 3668736), (6, 3057280), (8, 2292960), (10, 1834368), (12, 1528640), (15, 1222912), (16, 1146480), (17, 1079040), (20, 917184), (24, 764320), (30, 611456), (32, 573240), (34, 539520), (40, 458592), (48, 382160), (51, 359680), (60, 305728), (64, 286620), (68, 269760), (80, 229296), (85, 215808), (96, 191080), (102, 179840), (120, 152864), (128, 143310), (136, 134880), (160, 114648), (170, 107904), (192, 95540), (204, 89920), (240, 76432), (255, 71936), (256, 71655), (272, 67440), (281, 65280), (320, 57324), (340, 53952), (384, 47770), (408, 44960), (480, 38216), (510, 35968), (544, 33720), (562, 32640), (640, 28662), (680, 26976), (768, 23885), (816, 22480), (843, 21760), (960, 19108), (1020, 17984), (1088, 16860), (1124, 16320), (1280, 14331), (1360, 13488), (1405, 13056), (1632, 11240), (1686, 10880), (1920, 9554), (2040, 8992), (2176, 8430), (2248, 8160), (2720, 6744), (2810, 6528), (3264, 5620), (3372, 5440), (3840, 4777), (4080, 4496), (4215, 4352)]