321720960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15233}}^1$

素因数の和:15266

約数の個数: 128

約数和(自身を含む): 1118784960

約数和(自身を除く): 797064000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 15233, 21120, 30466, 45699, 60932, 76165, 91398, 121864, 152330, 167563, 182796, 228495, 243728, 304660, 335126, 365592, 456990, 487456, 502689, 609320, 670252, 731184, 837815, 913980, 974912, 1005378, 1218640, 1340504, 1462368, 1675630, 1827960, 1949824, 2010756, 2437280, 2513445, 2681008, 2924736, 3351260, 3655920, 4021512, 4874560, 5026890, 5362016, 5849472, 6702520, 7311840, 8043024, 9749120, 10053780, 10724032, 13405040, 14623680, 16086048, 20107560, 21448064, 26810080, 29247360, 32172096, 40215120, 53620160, 64344192, 80430240, 107240320, 160860480, 321720960]

約数ペア:

[(1, 321720960), (2, 160860480), (3, 107240320), (4, 80430240), (5, 64344192), (6, 53620160), (8, 40215120), (10, 32172096), (11, 29247360), (12, 26810080), (15, 21448064), (16, 20107560), (20, 16086048), (22, 14623680), (24, 13405040), (30, 10724032), (32, 10053780), (33, 9749120), (40, 8043024), (44, 7311840), (48, 6702520), (55, 5849472), (60, 5362016), (64, 5026890), (66, 4874560), (80, 4021512), (88, 3655920), (96, 3351260), (110, 2924736), (120, 2681008), (128, 2513445), (132, 2437280), (160, 2010756), (165, 1949824), (176, 1827960), (192, 1675630), (220, 1462368), (240, 1340504), (264, 1218640), (320, 1005378), (330, 974912), (352, 913980), (384, 837815), (440, 731184), (480, 670252), (528, 609320), (640, 502689), (660, 487456), (704, 456990), (880, 365592), (960, 335126), (1056, 304660), (1320, 243728), (1408, 228495), (1760, 182796), (1920, 167563), (2112, 152330), (2640, 121864), (3520, 91398), (4224, 76165), (5280, 60932), (7040, 45699), (10560, 30466), (15233, 21120)]