1661019520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5939}}^1$

素因数の和:6000

約数の個数: 128

約数和(自身を含む): 4362336000

約数和(自身を除く): 2701316480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 640, 736, 760, 874, 920, 1216, 1472, 1520, 1748, 1840, 2185, 2432, 2944, 3040, 3496, 3680, 4370, 5939, 6080, 6992, 7360, 8740, 11878, 12160, 13984, 14720, 17480, 23756, 27968, 29695, 34960, 47512, 55936, 59390, 69920, 95024, 112841, 118780, 136597, 139840, 190048, 225682, 237560, 273194, 279680, 380096, 451364, 475120, 546388, 564205, 682985, 760192, 902728, 950240, 1092776, 1128410, 1365970, 1805456, 1900480, 2185552, 2256820, 2595343, 2731940, 3610912, 3800960, 4371104, 4513640, 5190686, 5463880, 7221824, 8742208, 9027280, 10381372, 10927760, 12976715, 14443648, 17484416, 18054560, 20762744, 21855520, 25953430, 36109120, 41525488, 43711040, 51906860, 72218240, 83050976, 87422080, 103813720, 166101952, 207627440, 332203904, 415254880, 830509760, 1661019520]

約数ペア:

[(1, 1661019520), (2, 830509760), (4, 415254880), (5, 332203904), (8, 207627440), (10, 166101952), (16, 103813720), (19, 87422080), (20, 83050976), (23, 72218240), (32, 51906860), (38, 43711040), (40, 41525488), (46, 36109120), (64, 25953430), (76, 21855520), (80, 20762744), (92, 18054560), (95, 17484416), (115, 14443648), (128, 12976715), (152, 10927760), (160, 10381372), (184, 9027280), (190, 8742208), (230, 7221824), (304, 5463880), (320, 5190686), (368, 4513640), (380, 4371104), (437, 3800960), (460, 3610912), (608, 2731940), (640, 2595343), (736, 2256820), (760, 2185552), (874, 1900480), (920, 1805456), (1216, 1365970), (1472, 1128410), (1520, 1092776), (1748, 950240), (1840, 902728), (2185, 760192), (2432, 682985), (2944, 564205), (3040, 546388), (3496, 475120), (3680, 451364), (4370, 380096), (5939, 279680), (6080, 273194), (6992, 237560), (7360, 225682), (8740, 190048), (11878, 139840), (12160, 136597), (13984, 118780), (14720, 112841), (17480, 95024), (23756, 69920), (27968, 59390), (29695, 55936), (34960, 47512)]