81349680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9161}}^1$

素因数の和:9214

約数の個数: 80

約数和(自身を含む): 259028064

約数和(自身を除く): 177678384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 9161, 18322, 27483, 36644, 45805, 54966, 73288, 91610, 109932, 137415, 146576, 183220, 219864, 274830, 338957, 366440, 439728, 549660, 677914, 732880, 1016871, 1099320, 1355828, 1694785, 2033742, 2198640, 2711656, 3389570, 4067484, 5084355, 5423312, 6779140, 8134968, 10168710, 13558280, 16269936, 20337420, 27116560, 40674840, 81349680]

約数ペア:

[(1, 81349680), (2, 40674840), (3, 27116560), (4, 20337420), (5, 16269936), (6, 13558280), (8, 10168710), (10, 8134968), (12, 6779140), (15, 5423312), (16, 5084355), (20, 4067484), (24, 3389570), (30, 2711656), (37, 2198640), (40, 2033742), (48, 1694785), (60, 1355828), (74, 1099320), (80, 1016871), (111, 732880), (120, 677914), (148, 549660), (185, 439728), (222, 366440), (240, 338957), (296, 274830), (370, 219864), (444, 183220), (555, 146576), (592, 137415), (740, 109932), (888, 91610), (1110, 73288), (1480, 54966), (1776, 45805), (2220, 36644), (2960, 27483), (4440, 18322), (8880, 9161)]