321605760

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23929}}^1$

素因数の和:23958

約数の個数: 128

約数和(自身を含む): 1171612800

約数和(自身を除く): 850007040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 23929, 47858, 71787, 95716, 119645, 143574, 167503, 191432, 239290, 287148, 335006, 358935, 382864, 478580, 502509, 574296, 670012, 717870, 765728, 837515, 957160, 1005018, 1148592, 1340024, 1435740, 1531456, 1675030, 1914320, 2010036, 2297184, 2512545, 2680048, 2871480, 3062912, 3350060, 3828640, 4020072, 4594368, 5025090, 5360096, 5742960, 6700120, 7657280, 8040144, 9188736, 10050180, 10720192, 11485920, 13400240, 15314560, 16080288, 20100360, 21440384, 22971840, 26800480, 32160576, 40200720, 45943680, 53600960, 64321152, 80401440, 107201920, 160802880, 321605760]

約数ペア:

[(1, 321605760), (2, 160802880), (3, 107201920), (4, 80401440), (5, 64321152), (6, 53600960), (7, 45943680), (8, 40200720), (10, 32160576), (12, 26800480), (14, 22971840), (15, 21440384), (16, 20100360), (20, 16080288), (21, 15314560), (24, 13400240), (28, 11485920), (30, 10720192), (32, 10050180), (35, 9188736), (40, 8040144), (42, 7657280), (48, 6700120), (56, 5742960), (60, 5360096), (64, 5025090), (70, 4594368), (80, 4020072), (84, 3828640), (96, 3350060), (105, 3062912), (112, 2871480), (120, 2680048), (128, 2512545), (140, 2297184), (160, 2010036), (168, 1914320), (192, 1675030), (210, 1531456), (224, 1435740), (240, 1340024), (280, 1148592), (320, 1005018), (336, 957160), (384, 837515), (420, 765728), (448, 717870), (480, 670012), (560, 574296), (640, 502509), (672, 478580), (840, 382864), (896, 358935), (960, 335006), (1120, 287148), (1344, 239290), (1680, 191432), (1920, 167503), (2240, 143574), (2688, 119645), (3360, 95716), (4480, 71787), (6720, 47858), (13440, 23929)]