28515840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 160

約数和(自身を含む): 94279680

約数和(自身を除く): 65763840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 79, 80, 94, 96, 120, 128, 141, 158, 160, 188, 192, 235, 237, 240, 256, 282, 316, 320, 376, 384, 395, 470, 474, 480, 512, 564, 632, 640, 705, 752, 768, 790, 940, 948, 960, 1128, 1185, 1264, 1280, 1410, 1504, 1536, 1580, 1880, 1896, 1920, 2256, 2370, 2528, 2560, 2820, 3008, 3160, 3713, 3760, 3792, 3840, 4512, 4740, 5056, 5640, 6016, 6320, 7426, 7520, 7584, 7680, 9024, 9480, 10112, 11139, 11280, 12032, 12640, 14852, 15040, 15168, 18048, 18565, 18960, 20224, 22278, 22560, 24064, 25280, 29704, 30080, 30336, 36096, 37130, 37920, 40448, 44556, 45120, 50560, 55695, 59408, 60160, 60672, 72192, 74260, 75840, 89112, 90240, 101120, 111390, 118816, 120320, 121344, 148520, 151680, 178224, 180480, 202240, 222780, 237632, 297040, 303360, 356448, 360960, 445560, 475264, 594080, 606720, 712896, 891120, 950528, 1188160, 1425792, 1782240, 1901056, 2376320, 2851584, 3564480, 4752640, 5703168, 7128960, 9505280, 14257920, 28515840]

約数ペア:

[(1, 28515840), (2, 14257920), (3, 9505280), (4, 7128960), (5, 5703168), (6, 4752640), (8, 3564480), (10, 2851584), (12, 2376320), (15, 1901056), (16, 1782240), (20, 1425792), (24, 1188160), (30, 950528), (32, 891120), (40, 712896), (47, 606720), (48, 594080), (60, 475264), (64, 445560), (79, 360960), (80, 356448), (94, 303360), (96, 297040), (120, 237632), (128, 222780), (141, 202240), (158, 180480), (160, 178224), (188, 151680), (192, 148520), (235, 121344), (237, 120320), (240, 118816), (256, 111390), (282, 101120), (316, 90240), (320, 89112), (376, 75840), (384, 74260), (395, 72192), (470, 60672), (474, 60160), (480, 59408), (512, 55695), (564, 50560), (632, 45120), (640, 44556), (705, 40448), (752, 37920), (768, 37130), (790, 36096), (940, 30336), (948, 30080), (960, 29704), (1128, 25280), (1185, 24064), (1264, 22560), (1280, 22278), (1410, 20224), (1504, 18960), (1536, 18565), (1580, 18048), (1880, 15168), (1896, 15040), (1920, 14852), (2256, 12640), (2370, 12032), (2528, 11280), (2560, 11139), (2820, 10112), (3008, 9480), (3160, 9024), (3713, 7680), (3760, 7584), (3792, 7520), (3840, 7426), (4512, 6320), (4740, 6016), (5056, 5640)]