831372880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 2177860608

約数和(自身を除く): 1346487728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 107, 124, 130, 155, 208, 214, 241, 248, 260, 310, 403, 428, 482, 496, 520, 535, 620, 806, 856, 964, 1040, 1070, 1205, 1240, 1391, 1612, 1712, 1928, 2015, 2140, 2410, 2480, 2782, 3133, 3224, 3317, 3856, 4030, 4280, 4820, 5564, 6266, 6448, 6634, 6955, 7471, 8060, 8560, 9640, 11128, 12532, 13268, 13910, 14942, 15665, 16120, 16585, 19280, 22256, 25064, 25787, 26536, 27820, 29884, 31330, 32240, 33170, 37355, 43121, 50128, 51574, 53072, 55640, 59768, 62660, 66340, 74710, 86242, 97123, 103148, 111280, 119536, 125320, 128935, 132680, 149420, 172484, 194246, 206296, 215605, 250640, 257870, 265360, 298840, 335231, 344968, 388492, 412592, 431210, 485615, 515740, 597680, 670462, 689936, 776984, 799397, 862420, 971230, 1031480, 1340924, 1553968, 1598794, 1676155, 1724840, 1942460, 2062960, 2681848, 3197588, 3352310, 3449680, 3884920, 3996985, 5363696, 6395176, 6704620, 7769840, 7993970, 10392161, 12790352, 13409240, 15987940, 20784322, 26818480, 31975880, 41568644, 51960805, 63951760, 83137288, 103921610, 166274576, 207843220, 415686440, 831372880]

約数ペア:

[(1, 831372880), (2, 415686440), (4, 207843220), (5, 166274576), (8, 103921610), (10, 83137288), (13, 63951760), (16, 51960805), (20, 41568644), (26, 31975880), (31, 26818480), (40, 20784322), (52, 15987940), (62, 13409240), (65, 12790352), (80, 10392161), (104, 7993970), (107, 7769840), (124, 6704620), (130, 6395176), (155, 5363696), (208, 3996985), (214, 3884920), (241, 3449680), (248, 3352310), (260, 3197588), (310, 2681848), (403, 2062960), (428, 1942460), (482, 1724840), (496, 1676155), (520, 1598794), (535, 1553968), (620, 1340924), (806, 1031480), (856, 971230), (964, 862420), (1040, 799397), (1070, 776984), (1205, 689936), (1240, 670462), (1391, 597680), (1612, 515740), (1712, 485615), (1928, 431210), (2015, 412592), (2140, 388492), (2410, 344968), (2480, 335231), (2782, 298840), (3133, 265360), (3224, 257870), (3317, 250640), (3856, 215605), (4030, 206296), (4280, 194246), (4820, 172484), (5564, 149420), (6266, 132680), (6448, 128935), (6634, 125320), (6955, 119536), (7471, 111280), (8060, 103148), (8560, 97123), (9640, 86242), (11128, 74710), (12532, 66340), (13268, 62660), (13910, 59768), (14942, 55640), (15665, 53072), (16120, 51574), (16585, 50128), (19280, 43121), (22256, 37355), (25064, 33170), (25787, 32240), (26536, 31330), (27820, 29884)]