261169128

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 813758400

約数和(自身を除く): 552589272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 29, 33, 36, 44, 58, 66, 72, 83, 87, 88, 99, 116, 132, 137, 166, 174, 198, 232, 249, 261, 264, 274, 319, 332, 348, 396, 411, 498, 522, 548, 638, 664, 696, 747, 792, 822, 913, 957, 996, 1044, 1096, 1233, 1276, 1494, 1507, 1644, 1826, 1914, 1992, 2088, 2407, 2466, 2552, 2739, 2871, 2988, 3014, 3288, 3652, 3828, 3973, 4521, 4814, 4932, 5478, 5742, 5976, 6028, 7221, 7304, 7656, 7946, 8217, 9042, 9628, 9864, 10956, 11371, 11484, 11919, 12056, 13563, 14442, 15892, 16434, 18084, 19256, 21663, 21912, 22742, 22968, 23838, 26477, 27126, 28884, 31784, 32868, 34113, 35757, 36168, 43326, 43703, 45484, 47676, 52954, 54252, 57768, 65736, 68226, 71514, 79431, 86652, 87406, 90968, 95352, 102339, 105908, 108504, 125081, 131109, 136452, 143028, 158862, 173304, 174812, 204678, 211816, 238293, 250162, 262218, 272904, 286056, 317724, 329759, 349624, 375243, 393327, 409356, 476586, 500324, 524436, 635448, 659518, 750486, 786654, 818712, 953172, 989277, 1000648, 1048872, 1125729, 1319036, 1500972, 1573308, 1906344, 1978554, 2251458, 2638072, 2967831, 3001944, 3146616, 3627349, 3957108, 4502916, 5935662, 7254698, 7914216, 9005832, 10882047, 11871324, 14509396, 21764094, 23742648, 29018792, 32646141, 43528188, 65292282, 87056376, 130584564, 261169128]

約数ペア:

[(1, 261169128), (2, 130584564), (3, 87056376), (4, 65292282), (6, 43528188), (8, 32646141), (9, 29018792), (11, 23742648), (12, 21764094), (18, 14509396), (22, 11871324), (24, 10882047), (29, 9005832), (33, 7914216), (36, 7254698), (44, 5935662), (58, 4502916), (66, 3957108), (72, 3627349), (83, 3146616), (87, 3001944), (88, 2967831), (99, 2638072), (116, 2251458), (132, 1978554), (137, 1906344), (166, 1573308), (174, 1500972), (198, 1319036), (232, 1125729), (249, 1048872), (261, 1000648), (264, 989277), (274, 953172), (319, 818712), (332, 786654), (348, 750486), (396, 659518), (411, 635448), (498, 524436), (522, 500324), (548, 476586), (638, 409356), (664, 393327), (696, 375243), (747, 349624), (792, 329759), (822, 317724), (913, 286056), (957, 272904), (996, 262218), (1044, 250162), (1096, 238293), (1233, 211816), (1276, 204678), (1494, 174812), (1507, 173304), (1644, 158862), (1826, 143028), (1914, 136452), (1992, 131109), (2088, 125081), (2407, 108504), (2466, 105908), (2552, 102339), (2739, 95352), (2871, 90968), (2988, 87406), (3014, 86652), (3288, 79431), (3652, 71514), (3828, 68226), (3973, 65736), (4521, 57768), (4814, 54252), (4932, 52954), (5478, 47676), (5742, 45484), (5976, 43703), (6028, 43326), (7221, 36168), (7304, 35757), (7656, 34113), (7946, 32868), (8217, 31784), (9042, 28884), (9628, 27126), (9864, 26477), (10956, 23838), (11371, 22968), (11484, 22742), (11919, 21912), (12056, 21663), (13563, 19256), (14442, 18084), (15892, 16434)]