154992880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2127

約数の個数: 120

約数和(自身を含む): 441467280

約数和(自身を除く): 286474400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2081, 2128, 2660, 3724, 3920, 4162, 4655, 5320, 7448, 8324, 9310, 10405, 10640, 14567, 14896, 16648, 18620, 20810, 29134, 33296, 37240, 39539, 41620, 58268, 72835, 74480, 79078, 83240, 101969, 116536, 145670, 158156, 166480, 197695, 203938, 233072, 276773, 291340, 316312, 395390, 407876, 509845, 553546, 582680, 632624, 790780, 815752, 1019690, 1107092, 1165360, 1383865, 1581560, 1631504, 1937411, 2039380, 2214184, 2767730, 3163120, 3874822, 4078760, 4428368, 5535460, 7749644, 8157520, 9687055, 11070920, 15499288, 19374110, 22141840, 30998576, 38748220, 77496440, 154992880]

約数ペア:

[(1, 154992880), (2, 77496440), (4, 38748220), (5, 30998576), (7, 22141840), (8, 19374110), (10, 15499288), (14, 11070920), (16, 9687055), (19, 8157520), (20, 7749644), (28, 5535460), (35, 4428368), (38, 4078760), (40, 3874822), (49, 3163120), (56, 2767730), (70, 2214184), (76, 2039380), (80, 1937411), (95, 1631504), (98, 1581560), (112, 1383865), (133, 1165360), (140, 1107092), (152, 1019690), (190, 815752), (196, 790780), (245, 632624), (266, 582680), (280, 553546), (304, 509845), (380, 407876), (392, 395390), (490, 316312), (532, 291340), (560, 276773), (665, 233072), (760, 203938), (784, 197695), (931, 166480), (980, 158156), (1064, 145670), (1330, 116536), (1520, 101969), (1862, 83240), (1960, 79078), (2081, 74480), (2128, 72835), (2660, 58268), (3724, 41620), (3920, 39539), (4162, 37240), (4655, 33296), (5320, 29134), (7448, 20810), (8324, 18620), (9310, 16648), (10405, 14896), (10640, 14567)]