20808468480

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18307}}^1$

素因数の和:18374

約数の個数: 192

約数和(自身を含む): 68373789120

約数和(自身を除く): 47565320640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 480, 512, 555, 592, 640, 740, 768, 888, 960, 1024, 1110, 1184, 1280, 1480, 1536, 1776, 1920, 2048, 2220, 2368, 2560, 2960, 3072, 3552, 3840, 4440, 4736, 5120, 5920, 6144, 7104, 7680, 8880, 9472, 10240, 11840, 14208, 15360, 17760, 18307, 18944, 23680, 28416, 30720, 35520, 36614, 37888, 47360, 54921, 56832, 71040, 73228, 75776, 91535, 94720, 109842, 113664, 142080, 146456, 183070, 189440, 219684, 227328, 274605, 284160, 292912, 366140, 378880, 439368, 549210, 568320, 585824, 677359, 732280, 878736, 1098420, 1136640, 1171648, 1354718, 1464560, 1757472, 2032077, 2196840, 2343296, 2709436, 2929120, 3386795, 3514944, 4064154, 4393680, 4686592, 5418872, 5858240, 6773590, 7029888, 8128308, 8787360, 9373184, 10160385, 10837744, 11716480, 13547180, 14059776, 16256616, 17574720, 18746368, 20320770, 21675488, 23432960, 27094360, 28119552, 32513232, 35149440, 37492736, 40641540, 43350976, 46865920, 54188720, 56239104, 65026464, 70298880, 81283080, 86701952, 93731840, 108377440, 112478208, 130052928, 140597760, 162566160, 173403904, 187463680, 216754880, 260105856, 281195520, 325132320, 346807808, 433509760, 520211712, 562391040, 650264640, 693615616, 867019520, 1040423424, 1300529280, 1387231232, 1734039040, 2080846848, 2601058560, 3468078080, 4161693696, 5202117120, 6936156160, 10404234240, 20808468480]

約数ペア:

[(1, 20808468480), (2, 10404234240), (3, 6936156160), (4, 5202117120), (5, 4161693696), (6, 3468078080), (8, 2601058560), (10, 2080846848), (12, 1734039040), (15, 1387231232), (16, 1300529280), (20, 1040423424), (24, 867019520), (30, 693615616), (32, 650264640), (37, 562391040), (40, 520211712), (48, 433509760), (60, 346807808), (64, 325132320), (74, 281195520), (80, 260105856), (96, 216754880), (111, 187463680), (120, 173403904), (128, 162566160), (148, 140597760), (160, 130052928), (185, 112478208), (192, 108377440), (222, 93731840), (240, 86701952), (256, 81283080), (296, 70298880), (320, 65026464), (370, 56239104), (384, 54188720), (444, 46865920), (480, 43350976), (512, 40641540), (555, 37492736), (592, 35149440), (640, 32513232), (740, 28119552), (768, 27094360), (888, 23432960), (960, 21675488), (1024, 20320770), (1110, 18746368), (1184, 17574720), (1280, 16256616), (1480, 14059776), (1536, 13547180), (1776, 11716480), (1920, 10837744), (2048, 10160385), (2220, 9373184), (2368, 8787360), (2560, 8128308), (2960, 7029888), (3072, 6773590), (3552, 5858240), (3840, 5418872), (4440, 4686592), (4736, 4393680), (5120, 4064154), (5920, 3514944), (6144, 3386795), (7104, 2929120), (7680, 2709436), (8880, 2343296), (9472, 2196840), (10240, 2032077), (11840, 1757472), (14208, 1464560), (15360, 1354718), (17760, 1171648), (18307, 1136640), (18944, 1098420), (23680, 878736), (28416, 732280), (30720, 677359), (35520, 585824), (36614, 568320), (37888, 549210), (47360, 439368), (54921, 378880), (56832, 366140), (71040, 292912), (73228, 284160), (75776, 274605), (91535, 227328), (94720, 219684), (109842, 189440), (113664, 183070), (142080, 146456)]