81751440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6427}}^1$

素因数の和:6496

約数の個数: 80

約数和(自身を含む): 258251328

約数和(自身を除く): 176499888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 6427, 12720, 12854, 19281, 25708, 32135, 38562, 51416, 64270, 77124, 96405, 102832, 128540, 154248, 192810, 257080, 308496, 340631, 385620, 514160, 681262, 771240, 1021893, 1362524, 1542480, 1703155, 2043786, 2725048, 3406310, 4087572, 5109465, 5450096, 6812620, 8175144, 10218930, 13625240, 16350288, 20437860, 27250480, 40875720, 81751440]

約数ペア:

[(1, 81751440), (2, 40875720), (3, 27250480), (4, 20437860), (5, 16350288), (6, 13625240), (8, 10218930), (10, 8175144), (12, 6812620), (15, 5450096), (16, 5109465), (20, 4087572), (24, 3406310), (30, 2725048), (40, 2043786), (48, 1703155), (53, 1542480), (60, 1362524), (80, 1021893), (106, 771240), (120, 681262), (159, 514160), (212, 385620), (240, 340631), (265, 308496), (318, 257080), (424, 192810), (530, 154248), (636, 128540), (795, 102832), (848, 96405), (1060, 77124), (1272, 64270), (1590, 51416), (2120, 38562), (2544, 32135), (3180, 25708), (4240, 19281), (6360, 12854), (6427, 12720)]