1271222820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1423}}^1$

素因数の和:2154

約数の個数: 144

約数和(自身を含む): 4416222720

約数和(自身を除く): 3144999900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 709, 1260, 1418, 1423, 2127, 2836, 2846, 3545, 4254, 4269, 4963, 5692, 6381, 7090, 7115, 8508, 8538, 9926, 9961, 10635, 12762, 12807, 14180, 14230, 14889, 17076, 19852, 19922, 21270, 21345, 24815, 25524, 25614, 28460, 29778, 29883, 31905, 39844, 42540, 42690, 44667, 49630, 49805, 51228, 59556, 59766, 63810, 64035, 74445, 85380, 89334, 89649, 99260, 99610, 119532, 127620, 128070, 148890, 149415, 178668, 179298, 199220, 223335, 256140, 297780, 298830, 358596, 446670, 448245, 597660, 893340, 896490, 1008907, 1792980, 2017814, 3026721, 4035628, 5044535, 6053442, 7062349, 9080163, 10089070, 12106884, 14124698, 15133605, 18160326, 20178140, 21187047, 28249396, 30267210, 35311745, 36320652, 42374094, 45400815, 60534420, 63561141, 70623490, 84748188, 90801630, 105935235, 127122282, 141246980, 181603260, 211870470, 254244564, 317805705, 423740940, 635611410, 1271222820]

約数ペア:

[(1, 1271222820), (2, 635611410), (3, 423740940), (4, 317805705), (5, 254244564), (6, 211870470), (7, 181603260), (9, 141246980), (10, 127122282), (12, 105935235), (14, 90801630), (15, 84748188), (18, 70623490), (20, 63561141), (21, 60534420), (28, 45400815), (30, 42374094), (35, 36320652), (36, 35311745), (42, 30267210), (45, 28249396), (60, 21187047), (63, 20178140), (70, 18160326), (84, 15133605), (90, 14124698), (105, 12106884), (126, 10089070), (140, 9080163), (180, 7062349), (210, 6053442), (252, 5044535), (315, 4035628), (420, 3026721), (630, 2017814), (709, 1792980), (1260, 1008907), (1418, 896490), (1423, 893340), (2127, 597660), (2836, 448245), (2846, 446670), (3545, 358596), (4254, 298830), (4269, 297780), (4963, 256140), (5692, 223335), (6381, 199220), (7090, 179298), (7115, 178668), (8508, 149415), (8538, 148890), (9926, 128070), (9961, 127620), (10635, 119532), (12762, 99610), (12807, 99260), (14180, 89649), (14230, 89334), (14889, 85380), (17076, 74445), (19852, 64035), (19922, 63810), (21270, 59766), (21345, 59556), (24815, 51228), (25524, 49805), (25614, 49630), (28460, 44667), (29778, 42690), (29883, 42540), (31905, 39844)]