205006080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 660489984

約数和(自身を除く): 455483904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 256, 271, 320, 384, 394, 480, 542, 591, 640, 768, 788, 813, 960, 985, 1084, 1182, 1280, 1355, 1576, 1626, 1920, 1970, 2168, 2364, 2710, 2955, 3152, 3252, 3840, 3940, 4065, 4336, 4728, 5420, 5910, 6304, 6504, 7880, 8130, 8672, 9456, 10840, 11820, 12608, 13008, 15760, 16260, 17344, 18912, 21680, 23640, 25216, 26016, 31520, 32520, 34688, 37824, 43360, 47280, 50432, 52032, 53387, 63040, 65040, 69376, 75648, 86720, 94560, 104064, 106774, 126080, 130080, 151296, 160161, 173440, 189120, 208128, 213548, 252160, 260160, 266935, 320322, 346880, 378240, 427096, 520320, 533870, 640644, 756480, 800805, 854192, 1040640, 1067740, 1281288, 1601610, 1708384, 2135480, 2562576, 3203220, 3416768, 4270960, 5125152, 6406440, 6833536, 8541920, 10250304, 12812880, 13667072, 17083840, 20500608, 25625760, 34167680, 41001216, 51251520, 68335360, 102503040, 205006080]

約数ペア:

[(1, 205006080), (2, 102503040), (3, 68335360), (4, 51251520), (5, 41001216), (6, 34167680), (8, 25625760), (10, 20500608), (12, 17083840), (15, 13667072), (16, 12812880), (20, 10250304), (24, 8541920), (30, 6833536), (32, 6406440), (40, 5125152), (48, 4270960), (60, 3416768), (64, 3203220), (80, 2562576), (96, 2135480), (120, 1708384), (128, 1601610), (160, 1281288), (192, 1067740), (197, 1040640), (240, 854192), (256, 800805), (271, 756480), (320, 640644), (384, 533870), (394, 520320), (480, 427096), (542, 378240), (591, 346880), (640, 320322), (768, 266935), (788, 260160), (813, 252160), (960, 213548), (985, 208128), (1084, 189120), (1182, 173440), (1280, 160161), (1355, 151296), (1576, 130080), (1626, 126080), (1920, 106774), (1970, 104064), (2168, 94560), (2364, 86720), (2710, 75648), (2955, 69376), (3152, 65040), (3252, 63040), (3840, 53387), (3940, 52032), (4065, 50432), (4336, 47280), (4728, 43360), (5420, 37824), (5910, 34688), (6304, 32520), (6504, 31520), (7880, 26016), (8130, 25216), (8672, 23640), (9456, 21680), (10840, 18912), (11820, 17344), (12608, 16260), (13008, 15760)]