316580680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 812851200

約数和(自身を除く): 496270520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 205, 248, 260, 310, 328, 403, 410, 479, 520, 533, 620, 806, 820, 958, 1066, 1240, 1271, 1612, 1640, 1916, 2015, 2132, 2395, 2542, 2665, 3224, 3832, 4030, 4264, 4790, 5084, 5330, 6227, 6355, 8060, 9580, 10168, 10660, 12454, 12710, 14849, 16120, 16523, 19160, 19639, 21320, 24908, 25420, 29698, 31135, 33046, 39278, 49816, 50840, 59396, 62270, 66092, 74245, 78556, 82615, 98195, 118792, 124540, 132184, 148490, 157112, 165230, 193037, 196390, 249080, 255307, 296980, 330460, 386074, 392780, 510614, 593960, 608809, 660920, 772148, 785560, 965185, 1021228, 1217618, 1276535, 1544296, 1930370, 2042456, 2435236, 2553070, 3044045, 3860740, 4870472, 5106140, 6088090, 7721480, 7914517, 10212280, 12176180, 15829034, 24352360, 31658068, 39572585, 63316136, 79145170, 158290340, 316580680]

約数ペア:

[(1, 316580680), (2, 158290340), (4, 79145170), (5, 63316136), (8, 39572585), (10, 31658068), (13, 24352360), (20, 15829034), (26, 12176180), (31, 10212280), (40, 7914517), (41, 7721480), (52, 6088090), (62, 5106140), (65, 4870472), (82, 3860740), (104, 3044045), (124, 2553070), (130, 2435236), (155, 2042456), (164, 1930370), (205, 1544296), (248, 1276535), (260, 1217618), (310, 1021228), (328, 965185), (403, 785560), (410, 772148), (479, 660920), (520, 608809), (533, 593960), (620, 510614), (806, 392780), (820, 386074), (958, 330460), (1066, 296980), (1240, 255307), (1271, 249080), (1612, 196390), (1640, 193037), (1916, 165230), (2015, 157112), (2132, 148490), (2395, 132184), (2542, 124540), (2665, 118792), (3224, 98195), (3832, 82615), (4030, 78556), (4264, 74245), (4790, 66092), (5084, 62270), (5330, 59396), (6227, 50840), (6355, 49816), (8060, 39278), (9580, 33046), (10168, 31135), (10660, 29698), (12454, 25420), (12710, 24908), (14849, 21320), (16120, 19639), (16523, 19160)]