81815448

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 128

約数和(自身を含む): 248371200

約数和(自身を除く): 166555752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 186, 248, 264, 286, 312, 341, 372, 403, 429, 572, 682, 744, 769, 806, 858, 1023, 1144, 1209, 1364, 1538, 1612, 1716, 2046, 2307, 2418, 2728, 3076, 3224, 3432, 4092, 4433, 4614, 4836, 6152, 8184, 8459, 8866, 9228, 9672, 9997, 13299, 16918, 17732, 18456, 19994, 23839, 25377, 26598, 29991, 33836, 35464, 39988, 47678, 50754, 53196, 59982, 67672, 71517, 79976, 95356, 101508, 106392, 109967, 119964, 143034, 190712, 203016, 219934, 239928, 262229, 286068, 309907, 329901, 439868, 524458, 572136, 619814, 659802, 786687, 879736, 929721, 1048916, 1239628, 1319604, 1573374, 1859442, 2097832, 2479256, 2639208, 3146748, 3408977, 3718884, 6293496, 6817954, 7437768, 10226931, 13635908, 20453862, 27271816, 40907724, 81815448]

約数ペア:

[(1, 81815448), (2, 40907724), (3, 27271816), (4, 20453862), (6, 13635908), (8, 10226931), (11, 7437768), (12, 6817954), (13, 6293496), (22, 3718884), (24, 3408977), (26, 3146748), (31, 2639208), (33, 2479256), (39, 2097832), (44, 1859442), (52, 1573374), (62, 1319604), (66, 1239628), (78, 1048916), (88, 929721), (93, 879736), (104, 786687), (124, 659802), (132, 619814), (143, 572136), (156, 524458), (186, 439868), (248, 329901), (264, 309907), (286, 286068), (312, 262229), (341, 239928), (372, 219934), (403, 203016), (429, 190712), (572, 143034), (682, 119964), (744, 109967), (769, 106392), (806, 101508), (858, 95356), (1023, 79976), (1144, 71517), (1209, 67672), (1364, 59982), (1538, 53196), (1612, 50754), (1716, 47678), (2046, 39988), (2307, 35464), (2418, 33836), (2728, 29991), (3076, 26598), (3224, 25377), (3432, 23839), (4092, 19994), (4433, 18456), (4614, 17732), (4836, 16918), (6152, 13299), (8184, 9997), (8459, 9672), (8866, 9228)]