316242640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 160

約数和(自身を含む): 898799616

約数和(自身を除く): 582556976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 43, 46, 56, 70, 80, 86, 92, 112, 115, 140, 161, 172, 184, 215, 230, 280, 301, 322, 344, 368, 430, 460, 560, 571, 602, 644, 688, 805, 860, 920, 989, 1142, 1204, 1288, 1505, 1610, 1720, 1840, 1978, 2284, 2408, 2576, 2855, 3010, 3220, 3440, 3956, 3997, 4568, 4816, 4945, 5710, 6020, 6440, 6923, 7912, 7994, 9136, 9890, 11420, 12040, 12880, 13133, 13846, 15824, 15988, 19780, 19985, 22840, 24080, 24553, 26266, 27692, 31976, 34615, 39560, 39970, 45680, 49106, 52532, 55384, 63952, 65665, 69230, 79120, 79940, 91931, 98212, 105064, 110768, 122765, 131330, 138460, 159880, 171871, 183862, 196424, 210128, 245530, 262660, 276920, 319760, 343742, 367724, 392848, 459655, 491060, 525320, 553840, 564719, 687484, 735448, 859355, 919310, 982120, 1050640, 1129438, 1374968, 1470896, 1718710, 1838620, 1964240, 2258876, 2749936, 2823595, 3437420, 3677240, 3953033, 4517752, 5647190, 6874840, 7354480, 7906066, 9035504, 11294380, 13749680, 15812132, 19765165, 22588760, 31624264, 39530330, 45177520, 63248528, 79060660, 158121320, 316242640]

約数ペア:

[(1, 316242640), (2, 158121320), (4, 79060660), (5, 63248528), (7, 45177520), (8, 39530330), (10, 31624264), (14, 22588760), (16, 19765165), (20, 15812132), (23, 13749680), (28, 11294380), (35, 9035504), (40, 7906066), (43, 7354480), (46, 6874840), (56, 5647190), (70, 4517752), (80, 3953033), (86, 3677240), (92, 3437420), (112, 2823595), (115, 2749936), (140, 2258876), (161, 1964240), (172, 1838620), (184, 1718710), (215, 1470896), (230, 1374968), (280, 1129438), (301, 1050640), (322, 982120), (344, 919310), (368, 859355), (430, 735448), (460, 687484), (560, 564719), (571, 553840), (602, 525320), (644, 491060), (688, 459655), (805, 392848), (860, 367724), (920, 343742), (989, 319760), (1142, 276920), (1204, 262660), (1288, 245530), (1505, 210128), (1610, 196424), (1720, 183862), (1840, 171871), (1978, 159880), (2284, 138460), (2408, 131330), (2576, 122765), (2855, 110768), (3010, 105064), (3220, 98212), (3440, 91931), (3956, 79940), (3997, 79120), (4568, 69230), (4816, 65665), (4945, 63952), (5710, 55384), (6020, 52532), (6440, 49106), (6923, 45680), (7912, 39970), (7994, 39560), (9136, 34615), (9890, 31976), (11420, 27692), (12040, 26266), (12880, 24553), (13133, 24080), (13846, 22840), (15824, 19985), (15988, 19780)]