80491280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 195416064

約数和(自身を除く): 114924784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 71, 74, 80, 142, 148, 185, 284, 296, 355, 370, 383, 568, 592, 710, 740, 766, 1136, 1420, 1480, 1532, 1915, 2627, 2840, 2960, 3064, 3830, 5254, 5680, 6128, 7660, 10508, 13135, 14171, 15320, 21016, 26270, 27193, 28342, 30640, 42032, 52540, 54386, 56684, 70855, 105080, 108772, 113368, 135965, 141710, 210160, 217544, 226736, 271930, 283420, 435088, 543860, 566840, 1006141, 1087720, 1133680, 2012282, 2175440, 4024564, 5030705, 8049128, 10061410, 16098256, 20122820, 40245640, 80491280]

約数ペア:

[(1, 80491280), (2, 40245640), (4, 20122820), (5, 16098256), (8, 10061410), (10, 8049128), (16, 5030705), (20, 4024564), (37, 2175440), (40, 2012282), (71, 1133680), (74, 1087720), (80, 1006141), (142, 566840), (148, 543860), (185, 435088), (284, 283420), (296, 271930), (355, 226736), (370, 217544), (383, 210160), (568, 141710), (592, 135965), (710, 113368), (740, 108772), (766, 105080), (1136, 70855), (1420, 56684), (1480, 54386), (1532, 52540), (1915, 42032), (2627, 30640), (2840, 28342), (2960, 27193), (3064, 26270), (3830, 21016), (5254, 15320), (5680, 14171), (6128, 13135), (7660, 10508)]