1421427840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{105761}}^1$

素因数の和:105790

約数の個数: 128

約数和(自身を含む): 5178107520

約数和(自身を除く): 3756679680

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, 105761, 211522, 317283, 423044, 528805, 634566, 740327, 846088, 1057610, 1269132, 1480654, 1586415, 1692176, 2115220, 2220981, 2538264, 2961308, 3172830, 3384352, 3701635, 4230440, 4441962, 5076528, 5922616, 6345660, 6768704, 7403270, 8460880, 8883924, 10153056, 11104905, 11845232, 12691320, 13537408, 14806540, 16921760, 17767848, 20306112, 22209810, 23690464, 25382640, 29613080, 33843520, 35535696, 40612224, 44419620, 47380928, 50765280, 59226160, 67687040, 71071392, 88839240, 94761856, 101530560, 118452320, 142142784, 177678480, 203061120, 236904640, 284285568, 355356960, 473809280, 710713920, 1421427840]

約数ペア:

[(1, 1421427840), (2, 710713920), (3, 473809280), (4, 355356960), (5, 284285568), (6, 236904640), (7, 203061120), (8, 177678480), (10, 142142784), (12, 118452320), (14, 101530560), (15, 94761856), (16, 88839240), (20, 71071392), (21, 67687040), (24, 59226160), (28, 50765280), (30, 47380928), (32, 44419620), (35, 40612224), (40, 35535696), (42, 33843520), (48, 29613080), (56, 25382640), (60, 23690464), (64, 22209810), (70, 20306112), (80, 17767848), (84, 16921760), (96, 14806540), (105, 13537408), (112, 12691320), (120, 11845232), (128, 11104905), (140, 10153056), (160, 8883924), (168, 8460880), (192, 7403270), (210, 6768704), (224, 6345660), (240, 5922616), (280, 5076528), (320, 4441962), (336, 4230440), (384, 3701635), (420, 3384352), (448, 3172830), (480, 2961308), (560, 2538264), (640, 2220981), (672, 2115220), (840, 1692176), (896, 1586415), (960, 1480654), (1120, 1269132), (1344, 1057610), (1680, 846088), (1920, 740327), (2240, 634566), (2688, 528805), (3360, 423044), (4480, 317283), (6720, 211522), (13440, 105761)]