561531520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 1531444320

約数和(自身を除く): 969912800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 83, 88, 110, 124, 128, 155, 160, 166, 176, 220, 248, 310, 320, 332, 341, 352, 415, 440, 496, 620, 640, 664, 682, 704, 830, 880, 913, 961, 992, 1240, 1328, 1364, 1408, 1660, 1705, 1760, 1826, 1922, 1984, 2480, 2573, 2656, 2728, 3320, 3410, 3520, 3652, 3844, 3968, 4565, 4805, 4960, 5146, 5312, 5456, 6640, 6820, 7040, 7304, 7688, 9130, 9610, 9920, 10292, 10571, 10624, 10912, 12865, 13280, 13640, 14608, 15376, 18260, 19220, 19840, 20584, 21142, 21824, 25730, 26560, 27280, 28303, 29216, 30752, 36520, 38440, 41168, 42284, 43648, 51460, 52855, 53120, 54560, 56606, 58432, 61504, 73040, 76880, 79763, 82336, 84568, 102920, 105710, 109120, 113212, 116864, 123008, 141515, 146080, 153760, 159526, 164672, 169136, 205840, 211420, 218240, 226424, 283030, 292160, 307520, 319052, 329344, 338272, 398815, 411680, 422840, 452848, 566060, 584320, 615040, 638104, 676544, 797630, 823360, 845680, 877393, 905696, 1132120, 1276208, 1353088, 1595260, 1646720, 1691360, 1754786, 1811392, 2264240, 2552416, 3190520, 3382720, 3509572, 3622784, 4386965, 4528480, 5104832, 6381040, 6765440, 7019144, 8773930, 9056960, 10209664, 12762080, 14038288, 17547860, 18113920, 25524160, 28076576, 35095720, 51048320, 56153152, 70191440, 112306304, 140382880, 280765760, 561531520]

約数ペア:

[(1, 561531520), (2, 280765760), (4, 140382880), (5, 112306304), (8, 70191440), (10, 56153152), (11, 51048320), (16, 35095720), (20, 28076576), (22, 25524160), (31, 18113920), (32, 17547860), (40, 14038288), (44, 12762080), (55, 10209664), (62, 9056960), (64, 8773930), (80, 7019144), (83, 6765440), (88, 6381040), (110, 5104832), (124, 4528480), (128, 4386965), (155, 3622784), (160, 3509572), (166, 3382720), (176, 3190520), (220, 2552416), (248, 2264240), (310, 1811392), (320, 1754786), (332, 1691360), (341, 1646720), (352, 1595260), (415, 1353088), (440, 1276208), (496, 1132120), (620, 905696), (640, 877393), (664, 845680), (682, 823360), (704, 797630), (830, 676544), (880, 638104), (913, 615040), (961, 584320), (992, 566060), (1240, 452848), (1328, 422840), (1364, 411680), (1408, 398815), (1660, 338272), (1705, 329344), (1760, 319052), (1826, 307520), (1922, 292160), (1984, 283030), (2480, 226424), (2573, 218240), (2656, 211420), (2728, 205840), (3320, 169136), (3410, 164672), (3520, 159526), (3652, 153760), (3844, 146080), (3968, 141515), (4565, 123008), (4805, 116864), (4960, 113212), (5146, 109120), (5312, 105710), (5456, 102920), (6640, 84568), (6820, 82336), (7040, 79763), (7304, 76880), (7688, 73040), (9130, 61504), (9610, 58432), (9920, 56606), (10292, 54560), (10571, 53120), (10624, 52855), (10912, 51460), (12865, 43648), (13280, 42284), (13640, 41168), (14608, 38440), (15376, 36520), (18260, 30752), (19220, 29216), (19840, 28303), (20584, 27280), (21142, 26560), (21824, 25730)]