140581728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:669

約数の個数: 144

約数和(自身を含む): 461129760

約数和(自身を除く): 320548032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 137, 144, 168, 224, 252, 274, 288, 336, 411, 504, 509, 548, 672, 822, 959, 1008, 1018, 1096, 1233, 1527, 1644, 1918, 2016, 2036, 2192, 2466, 2877, 3054, 3288, 3563, 3836, 4072, 4384, 4581, 4932, 5754, 6108, 6576, 7126, 7672, 8144, 8631, 9162, 9864, 10689, 11508, 12216, 13152, 14252, 15344, 16288, 17262, 18324, 19728, 21378, 23016, 24432, 28504, 30688, 32067, 34524, 36648, 39456, 42756, 46032, 48864, 57008, 64134, 69048, 69733, 73296, 85512, 92064, 114016, 128268, 138096, 139466, 146592, 171024, 209199, 256536, 276192, 278932, 342048, 418398, 488131, 513072, 557864, 627597, 836796, 976262, 1026144, 1115728, 1255194, 1464393, 1673592, 1952524, 2231456, 2510388, 2928786, 3347184, 3905048, 4393179, 5020776, 5857572, 6694368, 7810096, 8786358, 10041552, 11715144, 15620192, 17572716, 20083104, 23430288, 35145432, 46860576, 70290864, 140581728]

約数ペア:

[(1, 140581728), (2, 70290864), (3, 46860576), (4, 35145432), (6, 23430288), (7, 20083104), (8, 17572716), (9, 15620192), (12, 11715144), (14, 10041552), (16, 8786358), (18, 7810096), (21, 6694368), (24, 5857572), (28, 5020776), (32, 4393179), (36, 3905048), (42, 3347184), (48, 2928786), (56, 2510388), (63, 2231456), (72, 1952524), (84, 1673592), (96, 1464393), (112, 1255194), (126, 1115728), (137, 1026144), (144, 976262), (168, 836796), (224, 627597), (252, 557864), (274, 513072), (288, 488131), (336, 418398), (411, 342048), (504, 278932), (509, 276192), (548, 256536), (672, 209199), (822, 171024), (959, 146592), (1008, 139466), (1018, 138096), (1096, 128268), (1233, 114016), (1527, 92064), (1644, 85512), (1918, 73296), (2016, 69733), (2036, 69048), (2192, 64134), (2466, 57008), (2877, 48864), (3054, 46032), (3288, 42756), (3563, 39456), (3836, 36648), (4072, 34524), (4384, 32067), (4581, 30688), (4932, 28504), (5754, 24432), (6108, 23016), (6576, 21378), (7126, 19728), (7672, 18324), (8144, 17262), (8631, 16288), (9162, 15344), (9864, 14252), (10689, 13152), (11508, 12216)]