1781150820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67931}}^1$

素因数の和:67985

約数の個数: 96

約数和(自身を含む): 5478036480

約数和(自身を除く): 3696885660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 874, 1140, 1311, 1380, 1748, 2185, 2622, 4370, 5244, 6555, 8740, 13110, 26220, 67931, 135862, 203793, 271724, 339655, 407586, 679310, 815172, 1018965, 1290689, 1358620, 1562413, 2037930, 2581378, 3124826, 3872067, 4075860, 4687239, 5162756, 6249652, 6453445, 7744134, 7812065, 9374478, 12906890, 15488268, 15624130, 18748956, 19360335, 23436195, 25813780, 29685847, 31248260, 38720670, 46872390, 59371694, 77441340, 89057541, 93744780, 118743388, 148429235, 178115082, 296858470, 356230164, 445287705, 593716940, 890575410, 1781150820]

約数ペア:

[(1, 1781150820), (2, 890575410), (3, 593716940), (4, 445287705), (5, 356230164), (6, 296858470), (10, 178115082), (12, 148429235), (15, 118743388), (19, 93744780), (20, 89057541), (23, 77441340), (30, 59371694), (38, 46872390), (46, 38720670), (57, 31248260), (60, 29685847), (69, 25813780), (76, 23436195), (92, 19360335), (95, 18748956), (114, 15624130), (115, 15488268), (138, 12906890), (190, 9374478), (228, 7812065), (230, 7744134), (276, 6453445), (285, 6249652), (345, 5162756), (380, 4687239), (437, 4075860), (460, 3872067), (570, 3124826), (690, 2581378), (874, 2037930), (1140, 1562413), (1311, 1358620), (1380, 1290689), (1748, 1018965), (2185, 815172), (2622, 679310), (4370, 407586), (5244, 339655), (6555, 271724), (8740, 203793), (13110, 135862), (26220, 67931)]