1540376960

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:536

約数の個数: 128

約数和(自身を含む): 3800079360

約数和(自身を除く): 2259702400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 223, 251, 320, 344, 430, 446, 502, 640, 688, 860, 892, 1004, 1115, 1255, 1376, 1720, 1784, 2008, 2230, 2510, 2752, 3440, 3568, 4016, 4460, 5020, 5504, 6880, 7136, 8032, 8920, 9589, 10040, 10793, 13760, 14272, 16064, 17840, 19178, 20080, 21586, 27520, 28544, 32128, 35680, 38356, 40160, 43172, 47945, 53965, 55973, 71360, 76712, 80320, 86344, 95890, 107930, 111946, 142720, 153424, 160640, 172688, 191780, 215860, 223892, 279865, 306848, 345376, 383560, 431720, 447784, 559730, 613696, 690752, 767120, 863440, 895568, 1119460, 1227392, 1381504, 1534240, 1726880, 1791136, 2238920, 2406839, 3068480, 3453760, 3582272, 4477840, 4813678, 6136960, 6907520, 7164544, 8955680, 9627356, 12034195, 17911360, 19254712, 24068390, 35822720, 38509424, 48136780, 77018848, 96273560, 154037696, 192547120, 308075392, 385094240, 770188480, 1540376960]

約数ペア:

[(1, 1540376960), (2, 770188480), (4, 385094240), (5, 308075392), (8, 192547120), (10, 154037696), (16, 96273560), (20, 77018848), (32, 48136780), (40, 38509424), (43, 35822720), (64, 24068390), (80, 19254712), (86, 17911360), (128, 12034195), (160, 9627356), (172, 8955680), (215, 7164544), (223, 6907520), (251, 6136960), (320, 4813678), (344, 4477840), (430, 3582272), (446, 3453760), (502, 3068480), (640, 2406839), (688, 2238920), (860, 1791136), (892, 1726880), (1004, 1534240), (1115, 1381504), (1255, 1227392), (1376, 1119460), (1720, 895568), (1784, 863440), (2008, 767120), (2230, 690752), (2510, 613696), (2752, 559730), (3440, 447784), (3568, 431720), (4016, 383560), (4460, 345376), (5020, 306848), (5504, 279865), (6880, 223892), (7136, 215860), (8032, 191780), (8920, 172688), (9589, 160640), (10040, 153424), (10793, 142720), (13760, 111946), (14272, 107930), (16064, 95890), (17840, 86344), (19178, 80320), (20080, 76712), (21586, 71360), (27520, 55973), (28544, 53965), (32128, 47945), (35680, 43172), (38356, 40160)]