80987508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 248451840

約数和(自身を除く): 167464332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 89, 92, 126, 138, 157, 161, 178, 207, 252, 267, 276, 314, 322, 356, 414, 471, 483, 534, 623, 628, 644, 801, 828, 942, 966, 1068, 1099, 1246, 1413, 1449, 1602, 1869, 1884, 1932, 2047, 2198, 2492, 2826, 2898, 3204, 3297, 3611, 3738, 4094, 4396, 5607, 5652, 5796, 6141, 6594, 7222, 7476, 8188, 9891, 10833, 11214, 12282, 13188, 13973, 14329, 14444, 18423, 19782, 21666, 22428, 24564, 25277, 27946, 28658, 32499, 36846, 39564, 41919, 42987, 43332, 50554, 55892, 57316, 64998, 73692, 75831, 83838, 85974, 97811, 101108, 125757, 128961, 129996, 151662, 167676, 171948, 195622, 227493, 251514, 257922, 293433, 303324, 321379, 391244, 454986, 503028, 515844, 586866, 642758, 880299, 909972, 964137, 1173732, 1285516, 1760598, 1928274, 2249653, 2892411, 3521196, 3856548, 4499306, 5784822, 6748959, 8998612, 11569644, 13497918, 20246877, 26995836, 40493754, 80987508]

約数ペア:

[(1, 80987508), (2, 40493754), (3, 26995836), (4, 20246877), (6, 13497918), (7, 11569644), (9, 8998612), (12, 6748959), (14, 5784822), (18, 4499306), (21, 3856548), (23, 3521196), (28, 2892411), (36, 2249653), (42, 1928274), (46, 1760598), (63, 1285516), (69, 1173732), (84, 964137), (89, 909972), (92, 880299), (126, 642758), (138, 586866), (157, 515844), (161, 503028), (178, 454986), (207, 391244), (252, 321379), (267, 303324), (276, 293433), (314, 257922), (322, 251514), (356, 227493), (414, 195622), (471, 171948), (483, 167676), (534, 151662), (623, 129996), (628, 128961), (644, 125757), (801, 101108), (828, 97811), (942, 85974), (966, 83838), (1068, 75831), (1099, 73692), (1246, 64998), (1413, 57316), (1449, 55892), (1602, 50554), (1869, 43332), (1884, 42987), (1932, 41919), (2047, 39564), (2198, 36846), (2492, 32499), (2826, 28658), (2898, 27946), (3204, 25277), (3297, 24564), (3611, 22428), (3738, 21666), (4094, 19782), (4396, 18423), (5607, 14444), (5652, 14329), (5796, 13973), (6141, 13188), (6594, 12282), (7222, 11214), (7476, 10833), (8188, 9891)]