131421420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 447162240

約数和(自身を除く): 315740820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 97, 108, 117, 130, 135, 156, 180, 193, 194, 195, 234, 260, 270, 291, 351, 386, 388, 390, 468, 485, 540, 579, 582, 585, 702, 772, 780, 873, 965, 970, 1158, 1164, 1170, 1261, 1404, 1455, 1737, 1746, 1755, 1930, 1940, 2316, 2340, 2509, 2522, 2619, 2895, 2910, 3474, 3492, 3510, 3783, 3860, 4365, 5018, 5044, 5211, 5238, 5790, 5820, 6305, 6948, 7020, 7527, 7566, 8685, 8730, 10036, 10422, 10476, 11349, 11580, 12545, 12610, 13095, 15054, 15132, 17370, 17460, 18721, 18915, 20844, 22581, 22698, 25090, 25220, 26055, 26190, 30108, 34047, 34740, 37442, 37635, 37830, 45162, 45396, 50180, 52110, 52380, 56163, 56745, 67743, 68094, 74884, 75270, 75660, 90324, 93605, 104220, 112326, 112905, 113490, 135486, 136188, 150540, 168489, 170235, 187210, 224652, 225810, 226980, 243373, 270972, 280815, 336978, 338715, 340470, 374420, 451620, 486746, 505467, 561630, 673956, 677430, 680940, 730119, 842445, 973492, 1010934, 1123260, 1216865, 1354860, 1460238, 1684890, 2021868, 2190357, 2433730, 2527335, 2920476, 3369780, 3650595, 4380714, 4867460, 5054670, 6571071, 7301190, 8761428, 10109340, 10951785, 13142142, 14602380, 21903570, 26284284, 32855355, 43807140, 65710710, 131421420]

約数ペア:

[(1, 131421420), (2, 65710710), (3, 43807140), (4, 32855355), (5, 26284284), (6, 21903570), (9, 14602380), (10, 13142142), (12, 10951785), (13, 10109340), (15, 8761428), (18, 7301190), (20, 6571071), (26, 5054670), (27, 4867460), (30, 4380714), (36, 3650595), (39, 3369780), (45, 2920476), (52, 2527335), (54, 2433730), (60, 2190357), (65, 2021868), (78, 1684890), (90, 1460238), (97, 1354860), (108, 1216865), (117, 1123260), (130, 1010934), (135, 973492), (156, 842445), (180, 730119), (193, 680940), (194, 677430), (195, 673956), (234, 561630), (260, 505467), (270, 486746), (291, 451620), (351, 374420), (386, 340470), (388, 338715), (390, 336978), (468, 280815), (485, 270972), (540, 243373), (579, 226980), (582, 225810), (585, 224652), (702, 187210), (772, 170235), (780, 168489), (873, 150540), (965, 136188), (970, 135486), (1158, 113490), (1164, 112905), (1170, 112326), (1261, 104220), (1404, 93605), (1455, 90324), (1737, 75660), (1746, 75270), (1755, 74884), (1930, 68094), (1940, 67743), (2316, 56745), (2340, 56163), (2509, 52380), (2522, 52110), (2619, 50180), (2895, 45396), (2910, 45162), (3474, 37830), (3492, 37635), (3510, 37442), (3783, 34740), (3860, 34047), (4365, 30108), (5018, 26190), (5044, 26055), (5211, 25220), (5238, 25090), (5790, 22698), (5820, 22581), (6305, 20844), (6948, 18915), (7020, 18721), (7527, 17460), (7566, 17370), (8685, 15132), (8730, 15054), (10036, 13095), (10422, 12610), (10476, 12545), (11349, 11580)]