208928640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 256

約数和(自身を含む): 728377920

約数和(自身を除く): 519449280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 64, 68, 74, 80, 85, 96, 102, 111, 120, 128, 136, 148, 160, 170, 173, 185, 192, 204, 222, 240, 255, 272, 296, 320, 340, 346, 370, 384, 408, 444, 480, 510, 519, 544, 555, 592, 629, 640, 680, 692, 740, 816, 865, 888, 960, 1020, 1038, 1088, 1110, 1184, 1258, 1360, 1384, 1480, 1632, 1730, 1776, 1887, 1920, 2040, 2076, 2176, 2220, 2368, 2516, 2595, 2720, 2768, 2941, 2960, 3145, 3264, 3460, 3552, 3774, 4080, 4152, 4440, 4736, 5032, 5190, 5440, 5536, 5882, 5920, 6290, 6401, 6528, 6920, 7104, 7548, 8160, 8304, 8823, 8880, 9435, 10064, 10380, 10880, 11072, 11764, 11840, 12580, 12802, 13840, 14208, 14705, 15096, 16320, 16608, 17646, 17760, 18870, 19203, 20128, 20760, 22144, 23528, 23680, 25160, 25604, 27680, 29410, 30192, 32005, 32640, 33216, 35292, 35520, 37740, 38406, 40256, 41520, 44115, 47056, 50320, 51208, 55360, 58820, 60384, 64010, 66432, 70584, 71040, 75480, 76812, 80512, 83040, 88230, 94112, 96015, 100640, 102416, 108817, 110720, 117640, 120768, 128020, 141168, 150960, 153624, 166080, 176460, 188224, 192030, 201280, 204832, 217634, 235280, 241536, 256040, 282336, 301920, 307248, 326451, 332160, 352920, 376448, 384060, 402560, 409664, 435268, 470560, 512080, 544085, 564672, 603840, 614496, 652902, 705840, 768120, 819328, 870536, 941120, 1024160, 1088170, 1129344, 1207680, 1228992, 1305804, 1411680, 1536240, 1632255, 1741072, 1882240, 2048320, 2176340, 2457984, 2611608, 2823360, 3072480, 3264510, 3482144, 4096640, 4352680, 5223216, 5646720, 6144960, 6529020, 6964288, 8705360, 10446432, 12289920, 13058040, 13928576, 17410720, 20892864, 26116080, 34821440, 41785728, 52232160, 69642880, 104464320, 208928640]

約数ペア:

[(1, 208928640), (2, 104464320), (3, 69642880), (4, 52232160), (5, 41785728), (6, 34821440), (8, 26116080), (10, 20892864), (12, 17410720), (15, 13928576), (16, 13058040), (17, 12289920), (20, 10446432), (24, 8705360), (30, 6964288), (32, 6529020), (34, 6144960), (37, 5646720), (40, 5223216), (48, 4352680), (51, 4096640), (60, 3482144), (64, 3264510), (68, 3072480), (74, 2823360), (80, 2611608), (85, 2457984), (96, 2176340), (102, 2048320), (111, 1882240), (120, 1741072), (128, 1632255), (136, 1536240), (148, 1411680), (160, 1305804), (170, 1228992), (173, 1207680), (185, 1129344), (192, 1088170), (204, 1024160), (222, 941120), (240, 870536), (255, 819328), (272, 768120), (296, 705840), (320, 652902), (340, 614496), (346, 603840), (370, 564672), (384, 544085), (408, 512080), (444, 470560), (480, 435268), (510, 409664), (519, 402560), (544, 384060), (555, 376448), (592, 352920), (629, 332160), (640, 326451), (680, 307248), (692, 301920), (740, 282336), (816, 256040), (865, 241536), (888, 235280), (960, 217634), (1020, 204832), (1038, 201280), (1088, 192030), (1110, 188224), (1184, 176460), (1258, 166080), (1360, 153624), (1384, 150960), (1480, 141168), (1632, 128020), (1730, 120768), (1776, 117640), (1887, 110720), (1920, 108817), (2040, 102416), (2076, 100640), (2176, 96015), (2220, 94112), (2368, 88230), (2516, 83040), (2595, 80512), (2720, 76812), (2768, 75480), (2941, 71040), (2960, 70584), (3145, 66432), (3264, 64010), (3460, 60384), (3552, 58820), (3774, 55360), (4080, 51208), (4152, 50320), (4440, 47056), (4736, 44115), (5032, 41520), (5190, 40256), (5440, 38406), (5536, 37740), (5882, 35520), (5920, 35292), (6290, 33216), (6401, 32640), (6528, 32005), (6920, 30192), (7104, 29410), (7548, 27680), (8160, 25604), (8304, 25160), (8823, 23680), (8880, 23528), (9435, 22144), (10064, 20760), (10380, 20128), (10880, 19203), (11072, 18870), (11764, 17760), (11840, 17646), (12580, 16608), (12802, 16320), (13840, 15096), (14208, 14705)]