30720976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 72495360

約数和(自身を除く): 41774384

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 286, 319, 377, 463, 464, 572, 638, 754, 926, 1144, 1276, 1508, 1852, 2288, 2552, 3016, 3704, 4147, 5093, 5104, 6019, 6032, 7408, 8294, 10186, 12038, 13427, 16588, 20372, 24076, 26854, 33176, 40744, 48152, 53708, 66209, 66352, 81488, 96304, 107416, 132418, 147697, 174551, 214832, 264836, 295394, 349102, 529672, 590788, 698204, 1059344, 1181576, 1396408, 1920061, 2363152, 2792816, 3840122, 7680244, 15360488, 30720976]

約数ペア:

[(1, 30720976), (2, 15360488), (4, 7680244), (8, 3840122), (11, 2792816), (13, 2363152), (16, 1920061), (22, 1396408), (26, 1181576), (29, 1059344), (44, 698204), (52, 590788), (58, 529672), (88, 349102), (104, 295394), (116, 264836), (143, 214832), (176, 174551), (208, 147697), (232, 132418), (286, 107416), (319, 96304), (377, 81488), (463, 66352), (464, 66209), (572, 53708), (638, 48152), (754, 40744), (926, 33176), (1144, 26854), (1276, 24076), (1508, 20372), (1852, 16588), (2288, 13427), (2552, 12038), (3016, 10186), (3704, 8294), (4147, 7408), (5093, 6032), (5104, 6019)]