781590072

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 2089866240

約数和(自身を除く): 1308276168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 47, 61, 74, 94, 111, 122, 141, 148, 183, 188, 222, 244, 282, 296, 307, 366, 376, 444, 488, 564, 614, 732, 888, 921, 1128, 1228, 1464, 1739, 1842, 2257, 2456, 2867, 3478, 3684, 4514, 5217, 5734, 6771, 6956, 7368, 8601, 9028, 10434, 11359, 11468, 13542, 13912, 14429, 17202, 18056, 18727, 20868, 22718, 22936, 27084, 28858, 34077, 34404, 37454, 41736, 43287, 45436, 54168, 56181, 57716, 68154, 68808, 74908, 86574, 90872, 106079, 112362, 115432, 136308, 149816, 173148, 212158, 224724, 272616, 318237, 346296, 424316, 449448, 533873, 636474, 692899, 848632, 880169, 1067746, 1272948, 1385798, 1601619, 1760338, 2078697, 2135492, 2545896, 2640507, 2771596, 3203238, 3520676, 4157394, 4270984, 5281014, 5543192, 6406476, 7041352, 8314788, 10562028, 12812952, 16629576, 21124056, 32566253, 65132506, 97698759, 130265012, 195397518, 260530024, 390795036, 781590072]

約数ペア:

[(1, 781590072), (2, 390795036), (3, 260530024), (4, 195397518), (6, 130265012), (8, 97698759), (12, 65132506), (24, 32566253), (37, 21124056), (47, 16629576), (61, 12812952), (74, 10562028), (94, 8314788), (111, 7041352), (122, 6406476), (141, 5543192), (148, 5281014), (183, 4270984), (188, 4157394), (222, 3520676), (244, 3203238), (282, 2771596), (296, 2640507), (307, 2545896), (366, 2135492), (376, 2078697), (444, 1760338), (488, 1601619), (564, 1385798), (614, 1272948), (732, 1067746), (888, 880169), (921, 848632), (1128, 692899), (1228, 636474), (1464, 533873), (1739, 449448), (1842, 424316), (2257, 346296), (2456, 318237), (2867, 272616), (3478, 224724), (3684, 212158), (4514, 173148), (5217, 149816), (5734, 136308), (6771, 115432), (6956, 112362), (7368, 106079), (8601, 90872), (9028, 86574), (10434, 74908), (11359, 68808), (11468, 68154), (13542, 57716), (13912, 56181), (14429, 54168), (17202, 45436), (18056, 43287), (18727, 41736), (20868, 37454), (22718, 34404), (22936, 34077), (27084, 28858)]