2788561920

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2656

約数の個数: 176

約数和(自身を含む): 9048198528

約数和(自身を除く): 6259636608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 256, 284, 320, 355, 384, 426, 480, 512, 568, 640, 710, 768, 852, 960, 1024, 1065, 1136, 1280, 1420, 1536, 1704, 1920, 2130, 2272, 2557, 2560, 2840, 3072, 3408, 3840, 4260, 4544, 5114, 5120, 5680, 6816, 7671, 7680, 8520, 9088, 10228, 11360, 12785, 13632, 15342, 15360, 17040, 18176, 20456, 22720, 25570, 27264, 30684, 34080, 36352, 38355, 40912, 45440, 51140, 54528, 61368, 68160, 72704, 76710, 81824, 90880, 102280, 109056, 122736, 136320, 153420, 163648, 181547, 181760, 204560, 218112, 245472, 272640, 306840, 327296, 363094, 363520, 409120, 490944, 544641, 545280, 613680, 654592, 726188, 818240, 907735, 981888, 1089282, 1090560, 1227360, 1309184, 1452376, 1636480, 1815470, 1963776, 2178564, 2454720, 2618368, 2723205, 2904752, 3272960, 3630940, 3927552, 4357128, 4909440, 5446410, 5809504, 6545920, 7261880, 7855104, 8714256, 9818880, 10892820, 11619008, 13091840, 14523760, 17428512, 19637760, 21785640, 23238016, 29047520, 34857024, 39275520, 43571280, 46476032, 58095040, 69714048, 87142560, 92952064, 116190080, 139428096, 174285120, 185904128, 232380160, 278856192, 348570240, 464760320, 557712384, 697140480, 929520640, 1394280960, 2788561920]

約数ペア:

[(1, 2788561920), (2, 1394280960), (3, 929520640), (4, 697140480), (5, 557712384), (6, 464760320), (8, 348570240), (10, 278856192), (12, 232380160), (15, 185904128), (16, 174285120), (20, 139428096), (24, 116190080), (30, 92952064), (32, 87142560), (40, 69714048), (48, 58095040), (60, 46476032), (64, 43571280), (71, 39275520), (80, 34857024), (96, 29047520), (120, 23238016), (128, 21785640), (142, 19637760), (160, 17428512), (192, 14523760), (213, 13091840), (240, 11619008), (256, 10892820), (284, 9818880), (320, 8714256), (355, 7855104), (384, 7261880), (426, 6545920), (480, 5809504), (512, 5446410), (568, 4909440), (640, 4357128), (710, 3927552), (768, 3630940), (852, 3272960), (960, 2904752), (1024, 2723205), (1065, 2618368), (1136, 2454720), (1280, 2178564), (1420, 1963776), (1536, 1815470), (1704, 1636480), (1920, 1452376), (2130, 1309184), (2272, 1227360), (2557, 1090560), (2560, 1089282), (2840, 981888), (3072, 907735), (3408, 818240), (3840, 726188), (4260, 654592), (4544, 613680), (5114, 545280), (5120, 544641), (5680, 490944), (6816, 409120), (7671, 363520), (7680, 363094), (8520, 327296), (9088, 306840), (10228, 272640), (11360, 245472), (12785, 218112), (13632, 204560), (15342, 181760), (15360, 181547), (17040, 163648), (18176, 153420), (20456, 136320), (22720, 122736), (25570, 109056), (27264, 102280), (30684, 90880), (34080, 81824), (36352, 76710), (38355, 72704), (40912, 68160), (45440, 61368), (51140, 54528)]