321726720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11969}}^1$

素因数の和:12000

約数の個数: 144

約数和(自身を含む): 1174400640

約数和(自身を除く): 852673920

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 11969, 13440, 23938, 26880, 35907, 47876, 59845, 71814, 83783, 95752, 119690, 143628, 167566, 179535, 191504, 239380, 251349, 287256, 335132, 359070, 383008, 418915, 478760, 502698, 574512, 670264, 718140, 766016, 837830, 957520, 1005396, 1149024, 1256745, 1340528, 1436280, 1532032, 1675660, 1915040, 2010792, 2298048, 2513490, 2681056, 2872560, 3064064, 3351320, 3830080, 4021584, 4596096, 5026980, 5362112, 5745120, 6702640, 7660160, 8043168, 9192192, 10053960, 10724224, 11490240, 13405280, 15320320, 16086336, 20107920, 21448448, 22980480, 26810560, 32172672, 40215840, 45960960, 53621120, 64345344, 80431680, 107242240, 160863360, 321726720]

約数ペア:

[(1, 321726720), (2, 160863360), (3, 107242240), (4, 80431680), (5, 64345344), (6, 53621120), (7, 45960960), (8, 40215840), (10, 32172672), (12, 26810560), (14, 22980480), (15, 21448448), (16, 20107920), (20, 16086336), (21, 15320320), (24, 13405280), (28, 11490240), (30, 10724224), (32, 10053960), (35, 9192192), (40, 8043168), (42, 7660160), (48, 6702640), (56, 5745120), (60, 5362112), (64, 5026980), (70, 4596096), (80, 4021584), (84, 3830080), (96, 3351320), (105, 3064064), (112, 2872560), (120, 2681056), (128, 2513490), (140, 2298048), (160, 2010792), (168, 1915040), (192, 1675660), (210, 1532032), (224, 1436280), (240, 1340528), (256, 1256745), (280, 1149024), (320, 1005396), (336, 957520), (384, 837830), (420, 766016), (448, 718140), (480, 670264), (560, 574512), (640, 502698), (672, 478760), (768, 418915), (840, 383008), (896, 359070), (960, 335132), (1120, 287256), (1280, 251349), (1344, 239380), (1680, 191504), (1792, 179535), (1920, 167566), (2240, 143628), (2688, 119690), (3360, 95752), (3840, 83783), (4480, 71814), (5376, 59845), (6720, 47876), (8960, 35907), (11969, 26880), (13440, 23938)]