128312928

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 389188800

約数和(自身を除く): 260875872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 131, 144, 152, 171, 179, 228, 262, 288, 304, 342, 358, 393, 456, 524, 537, 608, 684, 716, 786, 912, 1048, 1074, 1179, 1368, 1432, 1572, 1611, 1824, 2096, 2148, 2358, 2489, 2736, 2864, 3144, 3222, 3401, 4192, 4296, 4716, 4978, 5472, 5728, 6288, 6444, 6802, 7467, 8592, 9432, 9956, 10203, 12576, 12888, 13604, 14934, 17184, 18864, 19912, 20406, 22401, 23449, 25776, 27208, 29868, 30609, 37728, 39824, 40812, 44802, 46898, 51552, 54416, 59736, 61218, 70347, 79648, 81624, 89604, 93796, 108832, 119472, 122436, 140694, 163248, 179208, 187592, 211041, 238944, 244872, 281388, 326496, 358416, 375184, 422082, 445531, 489744, 562776, 716832, 750368, 844164, 891062, 979488, 1125552, 1336593, 1688328, 1782124, 2251104, 2673186, 3376656, 3564248, 4009779, 5346372, 6753312, 7128496, 8019558, 10692744, 14256992, 16039116, 21385488, 32078232, 42770976, 64156464, 128312928]

約数ペア:

[(1, 128312928), (2, 64156464), (3, 42770976), (4, 32078232), (6, 21385488), (8, 16039116), (9, 14256992), (12, 10692744), (16, 8019558), (18, 7128496), (19, 6753312), (24, 5346372), (32, 4009779), (36, 3564248), (38, 3376656), (48, 2673186), (57, 2251104), (72, 1782124), (76, 1688328), (96, 1336593), (114, 1125552), (131, 979488), (144, 891062), (152, 844164), (171, 750368), (179, 716832), (228, 562776), (262, 489744), (288, 445531), (304, 422082), (342, 375184), (358, 358416), (393, 326496), (456, 281388), (524, 244872), (537, 238944), (608, 211041), (684, 187592), (716, 179208), (786, 163248), (912, 140694), (1048, 122436), (1074, 119472), (1179, 108832), (1368, 93796), (1432, 89604), (1572, 81624), (1611, 79648), (1824, 70347), (2096, 61218), (2148, 59736), (2358, 54416), (2489, 51552), (2736, 46898), (2864, 44802), (3144, 40812), (3222, 39824), (3401, 37728), (4192, 30609), (4296, 29868), (4716, 27208), (4978, 25776), (5472, 23449), (5728, 22401), (6288, 20406), (6444, 19912), (6802, 18864), (7467, 17184), (8592, 14934), (9432, 13604), (9956, 12888), (10203, 12576)]