80447220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1303}}^1$

素因数の和:1339

約数の個数: 144

約数和(自身を含む): 284793600

約数和(自身を除く): 204346380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1303, 1372, 1470, 1715, 1764, 2058, 2205, 2606, 2940, 3087, 3430, 3909, 4116, 4410, 5145, 5212, 6174, 6515, 6860, 7818, 8820, 9121, 10290, 11727, 12348, 13030, 15435, 15636, 18242, 19545, 20580, 23454, 26060, 27363, 30870, 36484, 39090, 45605, 46908, 54726, 58635, 61740, 63847, 78180, 82089, 91210, 109452, 117270, 127694, 136815, 164178, 182420, 191541, 234540, 255388, 273630, 319235, 328356, 383082, 410445, 446929, 547260, 574623, 638470, 766164, 820890, 893858, 957705, 1149246, 1276940, 1340787, 1641780, 1787716, 1915410, 2234645, 2298492, 2681574, 2873115, 3830820, 4022361, 4469290, 5363148, 5746230, 6703935, 8044722, 8938580, 11492460, 13407870, 16089444, 20111805, 26815740, 40223610, 80447220]

約数ペア:

[(1, 80447220), (2, 40223610), (3, 26815740), (4, 20111805), (5, 16089444), (6, 13407870), (7, 11492460), (9, 8938580), (10, 8044722), (12, 6703935), (14, 5746230), (15, 5363148), (18, 4469290), (20, 4022361), (21, 3830820), (28, 2873115), (30, 2681574), (35, 2298492), (36, 2234645), (42, 1915410), (45, 1787716), (49, 1641780), (60, 1340787), (63, 1276940), (70, 1149246), (84, 957705), (90, 893858), (98, 820890), (105, 766164), (126, 638470), (140, 574623), (147, 547260), (180, 446929), (196, 410445), (210, 383082), (245, 328356), (252, 319235), (294, 273630), (315, 255388), (343, 234540), (420, 191541), (441, 182420), (490, 164178), (588, 136815), (630, 127694), (686, 117270), (735, 109452), (882, 91210), (980, 82089), (1029, 78180), (1260, 63847), (1303, 61740), (1372, 58635), (1470, 54726), (1715, 46908), (1764, 45605), (2058, 39090), (2205, 36484), (2606, 30870), (2940, 27363), (3087, 26060), (3430, 23454), (3909, 20580), (4116, 19545), (4410, 18242), (5145, 15636), (5212, 15435), (6174, 13030), (6515, 12348), (6860, 11727), (7818, 10290), (8820, 9121)]