81177390

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 160

約数和(自身を含む): 253693440

約数和(自身を除く): 172516050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 103, 105, 126, 135, 139, 162, 189, 206, 210, 270, 278, 309, 315, 378, 405, 417, 515, 567, 618, 630, 695, 721, 810, 834, 927, 945, 973, 1030, 1134, 1251, 1390, 1442, 1545, 1854, 1890, 1946, 2085, 2163, 2502, 2781, 2835, 2919, 3090, 3605, 3753, 4170, 4326, 4635, 4865, 5562, 5670, 5838, 6255, 6489, 7210, 7506, 8343, 8757, 9270, 9730, 10815, 11259, 12510, 12978, 13905, 14317, 14595, 16686, 17514, 18765, 19467, 21630, 22518, 26271, 27810, 28634, 29190, 32445, 37530, 38934, 41715, 42951, 43785, 52542, 56295, 58401, 64890, 71585, 78813, 83430, 85902, 87570, 97335, 100219, 112590, 116802, 128853, 131355, 143170, 157626, 194670, 200438, 214755, 257706, 262710, 292005, 300657, 386559, 394065, 429510, 501095, 584010, 601314, 644265, 773118, 788130, 901971, 1002190, 1159677, 1288530, 1503285, 1803942, 1932795, 2319354, 2705913, 3006570, 3865590, 4509855, 5411826, 5798385, 8117739, 9019710, 11596770, 13529565, 16235478, 27059130, 40588695, 81177390]

約数ペア:

[(1, 81177390), (2, 40588695), (3, 27059130), (5, 16235478), (6, 13529565), (7, 11596770), (9, 9019710), (10, 8117739), (14, 5798385), (15, 5411826), (18, 4509855), (21, 3865590), (27, 3006570), (30, 2705913), (35, 2319354), (42, 1932795), (45, 1803942), (54, 1503285), (63, 1288530), (70, 1159677), (81, 1002190), (90, 901971), (103, 788130), (105, 773118), (126, 644265), (135, 601314), (139, 584010), (162, 501095), (189, 429510), (206, 394065), (210, 386559), (270, 300657), (278, 292005), (309, 262710), (315, 257706), (378, 214755), (405, 200438), (417, 194670), (515, 157626), (567, 143170), (618, 131355), (630, 128853), (695, 116802), (721, 112590), (810, 100219), (834, 97335), (927, 87570), (945, 85902), (973, 83430), (1030, 78813), (1134, 71585), (1251, 64890), (1390, 58401), (1442, 56295), (1545, 52542), (1854, 43785), (1890, 42951), (1946, 41715), (2085, 38934), (2163, 37530), (2502, 32445), (2781, 29190), (2835, 28634), (2919, 27810), (3090, 26271), (3605, 22518), (3753, 21630), (4170, 19467), (4326, 18765), (4635, 17514), (4865, 16686), (5562, 14595), (5670, 14317), (5838, 13905), (6255, 12978), (6489, 12510), (7210, 11259), (7506, 10815), (8343, 9730), (8757, 9270)]