1280939848240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{240139}}^1$

素因数の和:240411

約数の個数: 160

約数和(自身を含む): 3361744834560

約数和(自身を除く): 2080804986320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 223, 230, 260, 299, 368, 446, 460, 520, 598, 892, 920, 1040, 1115, 1196, 1495, 1784, 1840, 2230, 2392, 2899, 2990, 3568, 4460, 4784, 5129, 5798, 5980, 8920, 10258, 11596, 11960, 14495, 17840, 20516, 23192, 23920, 25645, 28990, 41032, 46384, 51290, 57980, 66677, 82064, 102580, 115960, 133354, 205160, 231920, 240139, 266708, 333385, 410320, 480278, 533416, 666770, 960556, 1066832, 1200695, 1333540, 1921112, 2401390, 2667080, 3121807, 3842224, 4802780, 5334160, 5523197, 6243614, 9605560, 11046394, 12487228, 15609035, 19211120, 22092788, 24974456, 27615985, 31218070, 44185576, 49948912, 53550997, 55231970, 62436140, 71801561, 88371152, 107101994, 110463940, 124872280, 143603122, 214203988, 220927880, 249744560, 267754985, 287206244, 359007805, 428407976, 441855760, 535509970, 574412488, 696162961, 718015610, 856815952, 1071019940, 1148824976, 1231672931, 1392325922, 1436031220, 2142039880, 2463345862, 2784651844, 2872062440, 3480814805, 4284079760, 4926691724, 5569303688, 5744124880, 6158364655, 6961629610, 9853383448, 11138607376, 12316729310, 13923259220, 16011748103, 19706766896, 24633458620, 27846518440, 32023496206, 49266917240, 55693036880, 64046992412, 80058740515, 98533834480, 128093984824, 160117481030, 256187969648, 320234962060, 640469924120, 1280939848240]

約数ペア:

[(1, 1280939848240), (2, 640469924120), (4, 320234962060), (5, 256187969648), (8, 160117481030), (10, 128093984824), (13, 98533834480), (16, 80058740515), (20, 64046992412), (23, 55693036880), (26, 49266917240), (40, 32023496206), (46, 27846518440), (52, 24633458620), (65, 19706766896), (80, 16011748103), (92, 13923259220), (104, 12316729310), (115, 11138607376), (130, 9853383448), (184, 6961629610), (208, 6158364655), (223, 5744124880), (230, 5569303688), (260, 4926691724), (299, 4284079760), (368, 3480814805), (446, 2872062440), (460, 2784651844), (520, 2463345862), (598, 2142039880), (892, 1436031220), (920, 1392325922), (1040, 1231672931), (1115, 1148824976), (1196, 1071019940), (1495, 856815952), (1784, 718015610), (1840, 696162961), (2230, 574412488), (2392, 535509970), (2899, 441855760), (2990, 428407976), (3568, 359007805), (4460, 287206244), (4784, 267754985), (5129, 249744560), (5798, 220927880), (5980, 214203988), (8920, 143603122), (10258, 124872280), (11596, 110463940), (11960, 107101994), (14495, 88371152), (17840, 71801561), (20516, 62436140), (23192, 55231970), (23920, 53550997), (25645, 49948912), (28990, 44185576), (41032, 31218070), (46384, 27615985), (51290, 24974456), (57980, 22092788), (66677, 19211120), (82064, 15609035), (102580, 12487228), (115960, 11046394), (133354, 9605560), (205160, 6243614), (231920, 5523197), (240139, 5334160), (266708, 4802780), (333385, 3842224), (410320, 3121807), (480278, 2667080), (533416, 2401390), (666770, 1921112), (960556, 1333540), (1066832, 1200695)]