319099520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 817387200

約数和(自身を除く): 498287680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 139, 160, 170, 211, 272, 278, 320, 340, 422, 544, 556, 640, 680, 695, 844, 1055, 1088, 1112, 1360, 1390, 1688, 2110, 2176, 2224, 2363, 2720, 2780, 3376, 3587, 4220, 4448, 4726, 5440, 5560, 6752, 7174, 8440, 8896, 9452, 10880, 11120, 11815, 13504, 14348, 16880, 17792, 17935, 18904, 22240, 23630, 27008, 28696, 29329, 33760, 35870, 37808, 44480, 47260, 57392, 58658, 67520, 71740, 75616, 88960, 94520, 114784, 117316, 135040, 143480, 146645, 151232, 189040, 229568, 234632, 286960, 293290, 302464, 378080, 459136, 469264, 498593, 573920, 586580, 756160, 938528, 997186, 1147840, 1173160, 1512320, 1877056, 1994372, 2295680, 2346320, 2492965, 3754112, 3988744, 4692640, 4985930, 7977488, 9385280, 9971860, 15954976, 18770560, 19943720, 31909952, 39887440, 63819904, 79774880, 159549760, 319099520]

約数ペア:

[(1, 319099520), (2, 159549760), (4, 79774880), (5, 63819904), (8, 39887440), (10, 31909952), (16, 19943720), (17, 18770560), (20, 15954976), (32, 9971860), (34, 9385280), (40, 7977488), (64, 4985930), (68, 4692640), (80, 3988744), (85, 3754112), (128, 2492965), (136, 2346320), (139, 2295680), (160, 1994372), (170, 1877056), (211, 1512320), (272, 1173160), (278, 1147840), (320, 997186), (340, 938528), (422, 756160), (544, 586580), (556, 573920), (640, 498593), (680, 469264), (695, 459136), (844, 378080), (1055, 302464), (1088, 293290), (1112, 286960), (1360, 234632), (1390, 229568), (1688, 189040), (2110, 151232), (2176, 146645), (2224, 143480), (2363, 135040), (2720, 117316), (2780, 114784), (3376, 94520), (3587, 88960), (4220, 75616), (4448, 71740), (4726, 67520), (5440, 58658), (5560, 57392), (6752, 47260), (7174, 44480), (8440, 37808), (8896, 35870), (9452, 33760), (10880, 29329), (11120, 28696), (11815, 27008), (13504, 23630), (14348, 22240), (16880, 18904), (17792, 17935)]