155315520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 168

約数和(自身を含む): 538886400

約数和(自身を除く): 383570880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 199, 240, 271, 288, 320, 360, 398, 480, 542, 576, 597, 720, 796, 813, 960, 995, 1084, 1194, 1355, 1440, 1592, 1626, 1791, 1990, 2168, 2388, 2439, 2710, 2880, 2985, 3184, 3252, 3582, 3980, 4065, 4336, 4776, 4878, 5420, 5970, 6368, 6504, 7164, 7960, 8130, 8672, 8955, 9552, 9756, 10840, 11940, 12195, 12736, 13008, 14328, 15920, 16260, 17344, 17910, 19104, 19512, 21680, 23880, 24390, 26016, 28656, 31840, 32520, 35820, 38208, 39024, 43360, 47760, 48780, 52032, 53929, 57312, 63680, 65040, 71640, 78048, 86720, 95520, 97560, 107858, 114624, 130080, 143280, 156096, 161787, 191040, 195120, 215716, 260160, 269645, 286560, 323574, 390240, 431432, 485361, 539290, 573120, 647148, 780480, 808935, 862864, 970722, 1078580, 1294296, 1617870, 1725728, 1941444, 2157160, 2426805, 2588592, 3235740, 3451456, 3882888, 4314320, 4853610, 5177184, 6471480, 7765776, 8628640, 9707220, 10354368, 12942960, 15531552, 17257280, 19414440, 25885920, 31063104, 38828880, 51771840, 77657760, 155315520]

約数ペア:

[(1, 155315520), (2, 77657760), (3, 51771840), (4, 38828880), (5, 31063104), (6, 25885920), (8, 19414440), (9, 17257280), (10, 15531552), (12, 12942960), (15, 10354368), (16, 9707220), (18, 8628640), (20, 7765776), (24, 6471480), (30, 5177184), (32, 4853610), (36, 4314320), (40, 3882888), (45, 3451456), (48, 3235740), (60, 2588592), (64, 2426805), (72, 2157160), (80, 1941444), (90, 1725728), (96, 1617870), (120, 1294296), (144, 1078580), (160, 970722), (180, 862864), (192, 808935), (199, 780480), (240, 647148), (271, 573120), (288, 539290), (320, 485361), (360, 431432), (398, 390240), (480, 323574), (542, 286560), (576, 269645), (597, 260160), (720, 215716), (796, 195120), (813, 191040), (960, 161787), (995, 156096), (1084, 143280), (1194, 130080), (1355, 114624), (1440, 107858), (1592, 97560), (1626, 95520), (1791, 86720), (1990, 78048), (2168, 71640), (2388, 65040), (2439, 63680), (2710, 57312), (2880, 53929), (2985, 52032), (3184, 48780), (3252, 47760), (3582, 43360), (3980, 39024), (4065, 38208), (4336, 35820), (4776, 32520), (4878, 31840), (5420, 28656), (5970, 26016), (6368, 24390), (6504, 23880), (7164, 21680), (7960, 19512), (8130, 19104), (8672, 17910), (8955, 17344), (9552, 16260), (9756, 15920), (10840, 14328), (11940, 13008), (12195, 12736)]