28696320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 103311936

約数和(自身を除く): 74615616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 53, 60, 64, 72, 80, 90, 94, 96, 106, 120, 128, 141, 144, 159, 160, 180, 188, 192, 212, 235, 240, 256, 265, 282, 288, 318, 320, 360, 376, 384, 423, 424, 470, 477, 480, 530, 564, 576, 636, 640, 705, 720, 752, 768, 795, 846, 848, 940, 954, 960, 1060, 1128, 1152, 1272, 1280, 1410, 1440, 1504, 1590, 1692, 1696, 1880, 1908, 1920, 2115, 2120, 2256, 2304, 2385, 2491, 2544, 2820, 2880, 3008, 3180, 3384, 3392, 3760, 3816, 3840, 4230, 4240, 4512, 4770, 4982, 5088, 5640, 5760, 6016, 6360, 6768, 6784, 7473, 7520, 7632, 8460, 8480, 9024, 9540, 9964, 10176, 11280, 11520, 12032, 12455, 12720, 13536, 13568, 14946, 15040, 15264, 16920, 16960, 18048, 19080, 19928, 20352, 22419, 22560, 24910, 25440, 27072, 29892, 30080, 30528, 33840, 33920, 36096, 37365, 38160, 39856, 40704, 44838, 45120, 49820, 50880, 54144, 59784, 60160, 61056, 67680, 67840, 74730, 76320, 79712, 89676, 90240, 99640, 101760, 108288, 112095, 119568, 122112, 135360, 149460, 152640, 159424, 179352, 180480, 199280, 203520, 224190, 239136, 270720, 298920, 305280, 318848, 358704, 398560, 448380, 478272, 541440, 597840, 610560, 637696, 717408, 797120, 896760, 956544, 1195680, 1434816, 1594240, 1793520, 1913088, 2391360, 2869632, 3188480, 3587040, 4782720, 5739264, 7174080, 9565440, 14348160, 28696320]

約数ペア:

[(1, 28696320), (2, 14348160), (3, 9565440), (4, 7174080), (5, 5739264), (6, 4782720), (8, 3587040), (9, 3188480), (10, 2869632), (12, 2391360), (15, 1913088), (16, 1793520), (18, 1594240), (20, 1434816), (24, 1195680), (30, 956544), (32, 896760), (36, 797120), (40, 717408), (45, 637696), (47, 610560), (48, 597840), (53, 541440), (60, 478272), (64, 448380), (72, 398560), (80, 358704), (90, 318848), (94, 305280), (96, 298920), (106, 270720), (120, 239136), (128, 224190), (141, 203520), (144, 199280), (159, 180480), (160, 179352), (180, 159424), (188, 152640), (192, 149460), (212, 135360), (235, 122112), (240, 119568), (256, 112095), (265, 108288), (282, 101760), (288, 99640), (318, 90240), (320, 89676), (360, 79712), (376, 76320), (384, 74730), (423, 67840), (424, 67680), (470, 61056), (477, 60160), (480, 59784), (530, 54144), (564, 50880), (576, 49820), (636, 45120), (640, 44838), (705, 40704), (720, 39856), (752, 38160), (768, 37365), (795, 36096), (846, 33920), (848, 33840), (940, 30528), (954, 30080), (960, 29892), (1060, 27072), (1128, 25440), (1152, 24910), (1272, 22560), (1280, 22419), (1410, 20352), (1440, 19928), (1504, 19080), (1590, 18048), (1692, 16960), (1696, 16920), (1880, 15264), (1908, 15040), (1920, 14946), (2115, 13568), (2120, 13536), (2256, 12720), (2304, 12455), (2385, 12032), (2491, 11520), (2544, 11280), (2820, 10176), (2880, 9964), (3008, 9540), (3180, 9024), (3384, 8480), (3392, 8460), (3760, 7632), (3816, 7520), (3840, 7473), (4230, 6784), (4240, 6768), (4512, 6360), (4770, 6016), (4982, 5760), (5088, 5640)]