721520688

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 2271711744

約数和(自身を除く): 1550191056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 49, 56, 61, 84, 94, 98, 107, 112, 122, 141, 147, 168, 183, 188, 196, 214, 244, 282, 294, 321, 329, 336, 366, 376, 392, 427, 428, 488, 564, 588, 642, 658, 732, 749, 752, 784, 854, 856, 976, 987, 1128, 1176, 1281, 1284, 1316, 1464, 1498, 1708, 1712, 1974, 2247, 2256, 2303, 2352, 2562, 2568, 2632, 2867, 2928, 2989, 2996, 3416, 3948, 4494, 4606, 5029, 5124, 5136, 5243, 5264, 5734, 5978, 5992, 6527, 6832, 6909, 7896, 8601, 8967, 8988, 9212, 10058, 10248, 10486, 11468, 11956, 11984, 13054, 13818, 15087, 15729, 15792, 17202, 17934, 17976, 18424, 19581, 20069, 20116, 20496, 20972, 22936, 23912, 26108, 27636, 30174, 31458, 34404, 35203, 35868, 35952, 36848, 39162, 40138, 40232, 41944, 45689, 45872, 47824, 52216, 55272, 60207, 60348, 62916, 68808, 70406, 71736, 78324, 80276, 80464, 83888, 91378, 104432, 105609, 110544, 120414, 120696, 125832, 137067, 137616, 140483, 140812, 143472, 156648, 160552, 182756, 211218, 240828, 241392, 246421, 251664, 274134, 280966, 281624, 306769, 313296, 319823, 321104, 365512, 421449, 422436, 481656, 492842, 548268, 561932, 563248, 613538, 639646, 731024, 739263, 842898, 844872, 920307, 959469, 963312, 985684, 1096536, 1123864, 1227076, 1279292, 1478526, 1685796, 1689744, 1840614, 1918938, 1971368, 2147383, 2193072, 2247728, 2454152, 2558584, 2957052, 3371592, 3681228, 3837876, 3942736, 4294766, 4908304, 5117168, 5914104, 6442149, 6743184, 7362456, 7675752, 8589532, 11828208, 12884298, 14724912, 15031681, 15351504, 17179064, 25768596, 30063362, 34358128, 45095043, 51537192, 60126724, 90190086, 103074384, 120253448, 180380172, 240506896, 360760344, 721520688]

約数ペア:

[(1, 721520688), (2, 360760344), (3, 240506896), (4, 180380172), (6, 120253448), (7, 103074384), (8, 90190086), (12, 60126724), (14, 51537192), (16, 45095043), (21, 34358128), (24, 30063362), (28, 25768596), (42, 17179064), (47, 15351504), (48, 15031681), (49, 14724912), (56, 12884298), (61, 11828208), (84, 8589532), (94, 7675752), (98, 7362456), (107, 6743184), (112, 6442149), (122, 5914104), (141, 5117168), (147, 4908304), (168, 4294766), (183, 3942736), (188, 3837876), (196, 3681228), (214, 3371592), (244, 2957052), (282, 2558584), (294, 2454152), (321, 2247728), (329, 2193072), (336, 2147383), (366, 1971368), (376, 1918938), (392, 1840614), (427, 1689744), (428, 1685796), (488, 1478526), (564, 1279292), (588, 1227076), (642, 1123864), (658, 1096536), (732, 985684), (749, 963312), (752, 959469), (784, 920307), (854, 844872), (856, 842898), (976, 739263), (987, 731024), (1128, 639646), (1176, 613538), (1281, 563248), (1284, 561932), (1316, 548268), (1464, 492842), (1498, 481656), (1708, 422436), (1712, 421449), (1974, 365512), (2247, 321104), (2256, 319823), (2303, 313296), (2352, 306769), (2562, 281624), (2568, 280966), (2632, 274134), (2867, 251664), (2928, 246421), (2989, 241392), (2996, 240828), (3416, 211218), (3948, 182756), (4494, 160552), (4606, 156648), (5029, 143472), (5124, 140812), (5136, 140483), (5243, 137616), (5264, 137067), (5734, 125832), (5978, 120696), (5992, 120414), (6527, 110544), (6832, 105609), (6909, 104432), (7896, 91378), (8601, 83888), (8967, 80464), (8988, 80276), (9212, 78324), (10058, 71736), (10248, 70406), (10486, 68808), (11468, 62916), (11956, 60348), (11984, 60207), (13054, 55272), (13818, 52216), (15087, 47824), (15729, 45872), (15792, 45689), (17202, 41944), (17934, 40232), (17976, 40138), (18424, 39162), (19581, 36848), (20069, 35952), (20116, 35868), (20496, 35203), (20972, 34404), (22936, 31458), (23912, 30174), (26108, 27636)]