18812160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 68874624

約数和(自身を除く): 50062464

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, 71, 72, 80, 90, 92, 96, 115, 120, 128, 138, 142, 144, 160, 180, 184, 192, 207, 213, 230, 240, 256, 276, 284, 288, 320, 345, 355, 360, 368, 384, 414, 426, 460, 480, 552, 568, 576, 639, 640, 690, 710, 720, 736, 768, 828, 852, 920, 960, 1035, 1065, 1104, 1136, 1152, 1278, 1280, 1380, 1420, 1440, 1472, 1633, 1656, 1704, 1840, 1920, 2070, 2130, 2208, 2272, 2304, 2556, 2760, 2840, 2880, 2944, 3195, 3266, 3312, 3408, 3680, 3840, 4140, 4260, 4416, 4544, 4899, 5112, 5520, 5680, 5760, 5888, 6390, 6532, 6624, 6816, 7360, 8165, 8280, 8520, 8832, 9088, 9798, 10224, 11040, 11360, 11520, 12780, 13064, 13248, 13632, 14697, 14720, 16330, 16560, 17040, 17664, 18176, 19596, 20448, 22080, 22720, 24495, 25560, 26128, 26496, 27264, 29394, 29440, 32660, 33120, 34080, 39192, 40896, 44160, 45440, 48990, 51120, 52256, 52992, 54528, 58788, 65320, 66240, 68160, 73485, 78384, 81792, 88320, 90880, 97980, 102240, 104512, 117576, 130640, 132480, 136320, 146970, 156768, 163584, 195960, 204480, 209024, 235152, 261280, 264960, 272640, 293940, 313536, 391920, 408960, 418048, 470304, 522560, 587880, 627072, 783840, 817920, 940608, 1045120, 1175760, 1254144, 1567680, 1881216, 2090240, 2351520, 3135360, 3762432, 4703040, 6270720, 9406080, 18812160]

約数ペア:

[(1, 18812160), (2, 9406080), (3, 6270720), (4, 4703040), (5, 3762432), (6, 3135360), (8, 2351520), (9, 2090240), (10, 1881216), (12, 1567680), (15, 1254144), (16, 1175760), (18, 1045120), (20, 940608), (23, 817920), (24, 783840), (30, 627072), (32, 587880), (36, 522560), (40, 470304), (45, 418048), (46, 408960), (48, 391920), (60, 313536), (64, 293940), (69, 272640), (71, 264960), (72, 261280), (80, 235152), (90, 209024), (92, 204480), (96, 195960), (115, 163584), (120, 156768), (128, 146970), (138, 136320), (142, 132480), (144, 130640), (160, 117576), (180, 104512), (184, 102240), (192, 97980), (207, 90880), (213, 88320), (230, 81792), (240, 78384), (256, 73485), (276, 68160), (284, 66240), (288, 65320), (320, 58788), (345, 54528), (355, 52992), (360, 52256), (368, 51120), (384, 48990), (414, 45440), (426, 44160), (460, 40896), (480, 39192), (552, 34080), (568, 33120), (576, 32660), (639, 29440), (640, 29394), (690, 27264), (710, 26496), (720, 26128), (736, 25560), (768, 24495), (828, 22720), (852, 22080), (920, 20448), (960, 19596), (1035, 18176), (1065, 17664), (1104, 17040), (1136, 16560), (1152, 16330), (1278, 14720), (1280, 14697), (1380, 13632), (1420, 13248), (1440, 13064), (1472, 12780), (1633, 11520), (1656, 11360), (1704, 11040), (1840, 10224), (1920, 9798), (2070, 9088), (2130, 8832), (2208, 8520), (2272, 8280), (2304, 8165), (2556, 7360), (2760, 6816), (2840, 6624), (2880, 6532), (2944, 6390), (3195, 5888), (3266, 5760), (3312, 5680), (3408, 5520), (3680, 5112), (3840, 4899), (4140, 4544), (4260, 4416)]