18282240

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{23}}^2$

素因数の和:76

約数の個数: 216

約数和(自身を含む): 67819920

約数和(自身を除く): 49537680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 256, 270, 276, 288, 320, 345, 360, 368, 384, 414, 432, 460, 480, 529, 540, 552, 576, 621, 640, 690, 720, 736, 768, 828, 864, 920, 960, 1035, 1058, 1080, 1104, 1152, 1242, 1280, 1380, 1440, 1472, 1587, 1656, 1728, 1840, 1920, 2070, 2116, 2160, 2208, 2304, 2484, 2645, 2760, 2880, 2944, 3105, 3174, 3312, 3456, 3680, 3840, 4140, 4232, 4320, 4416, 4761, 4968, 5290, 5520, 5760, 5888, 6210, 6348, 6624, 6912, 7360, 7935, 8280, 8464, 8640, 8832, 9522, 9936, 10580, 11040, 11520, 12420, 12696, 13248, 14283, 14720, 15870, 16560, 16928, 17280, 17664, 19044, 19872, 21160, 22080, 23805, 24840, 25392, 26496, 28566, 29440, 31740, 33120, 33856, 34560, 38088, 39744, 42320, 44160, 47610, 49680, 50784, 52992, 57132, 63480, 66240, 67712, 71415, 76176, 79488, 84640, 88320, 95220, 99360, 101568, 114264, 126960, 132480, 135424, 142830, 152352, 158976, 169280, 190440, 198720, 203136, 228528, 253920, 264960, 285660, 304704, 338560, 380880, 397440, 406272, 457056, 507840, 571320, 609408, 677120, 761760, 794880, 914112, 1015680, 1142640, 1218816, 1523520, 1828224, 2031360, 2285280, 3047040, 3656448, 4570560, 6094080, 9141120, 18282240]

約数ペア:

[(1, 18282240), (2, 9141120), (3, 6094080), (4, 4570560), (5, 3656448), (6, 3047040), (8, 2285280), (9, 2031360), (10, 1828224), (12, 1523520), (15, 1218816), (16, 1142640), (18, 1015680), (20, 914112), (23, 794880), (24, 761760), (27, 677120), (30, 609408), (32, 571320), (36, 507840), (40, 457056), (45, 406272), (46, 397440), (48, 380880), (54, 338560), (60, 304704), (64, 285660), (69, 264960), (72, 253920), (80, 228528), (90, 203136), (92, 198720), (96, 190440), (108, 169280), (115, 158976), (120, 152352), (128, 142830), (135, 135424), (138, 132480), (144, 126960), (160, 114264), (180, 101568), (184, 99360), (192, 95220), (207, 88320), (216, 84640), (230, 79488), (240, 76176), (256, 71415), (270, 67712), (276, 66240), (288, 63480), (320, 57132), (345, 52992), (360, 50784), (368, 49680), (384, 47610), (414, 44160), (432, 42320), (460, 39744), (480, 38088), (529, 34560), (540, 33856), (552, 33120), (576, 31740), (621, 29440), (640, 28566), (690, 26496), (720, 25392), (736, 24840), (768, 23805), (828, 22080), (864, 21160), (920, 19872), (960, 19044), (1035, 17664), (1058, 17280), (1080, 16928), (1104, 16560), (1152, 15870), (1242, 14720), (1280, 14283), (1380, 13248), (1440, 12696), (1472, 12420), (1587, 11520), (1656, 11040), (1728, 10580), (1840, 9936), (1920, 9522), (2070, 8832), (2116, 8640), (2160, 8464), (2208, 8280), (2304, 7935), (2484, 7360), (2645, 6912), (2760, 6624), (2880, 6348), (2944, 6210), (3105, 5888), (3174, 5760), (3312, 5520), (3456, 5290), (3680, 4968), (3840, 4761), (4140, 4416), (4232, 4320)]