80941680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12491}}^1$

素因数の和:12516

約数の個数: 100

約数和(自身を含む): 281144952

約数和(自身を除く): 200203272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12491, 24982, 37473, 49964, 62455, 74946, 99928, 112419, 124910, 149892, 187365, 199856, 224838, 249820, 299784, 337257, 374730, 449676, 499640, 562095, 599568, 674514, 749460, 899352, 999280, 1011771, 1124190, 1349028, 1498920, 1686285, 1798704, 2023542, 2248380, 2698056, 2997840, 3372570, 4047084, 4496760, 5058855, 5396112, 6745140, 8094168, 8993520, 10117710, 13490280, 16188336, 20235420, 26980560, 40470840, 80941680]

約数ペア:

[(1, 80941680), (2, 40470840), (3, 26980560), (4, 20235420), (5, 16188336), (6, 13490280), (8, 10117710), (9, 8993520), (10, 8094168), (12, 6745140), (15, 5396112), (16, 5058855), (18, 4496760), (20, 4047084), (24, 3372570), (27, 2997840), (30, 2698056), (36, 2248380), (40, 2023542), (45, 1798704), (48, 1686285), (54, 1498920), (60, 1349028), (72, 1124190), (80, 1011771), (81, 999280), (90, 899352), (108, 749460), (120, 674514), (135, 599568), (144, 562095), (162, 499640), (180, 449676), (216, 374730), (240, 337257), (270, 299784), (324, 249820), (360, 224838), (405, 199856), (432, 187365), (540, 149892), (648, 124910), (720, 112419), (810, 99928), (1080, 74946), (1296, 62455), (1620, 49964), (2160, 37473), (3240, 24982), (6480, 12491)]