326075360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 863291520

約数和(自身を除く): 537216160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 338, 389, 403, 416, 496, 520, 620, 676, 778, 806, 845, 992, 1040, 1240, 1352, 1556, 1612, 1690, 1945, 2015, 2080, 2480, 2704, 3112, 3224, 3380, 3890, 4030, 4960, 5057, 5239, 5408, 6224, 6448, 6760, 7780, 8060, 10114, 10478, 12059, 12448, 12896, 13520, 15560, 16120, 20228, 20956, 24118, 25285, 26195, 27040, 31120, 32240, 40456, 41912, 48236, 50570, 52390, 60295, 62240, 64480, 65741, 80912, 83824, 96472, 101140, 104780, 120590, 131482, 156767, 161824, 167648, 192944, 202280, 209560, 241180, 262964, 313534, 328705, 385888, 404560, 419120, 482360, 525928, 627068, 657410, 783835, 809120, 838240, 964720, 1051856, 1254136, 1314820, 1567670, 1929440, 2037971, 2103712, 2508272, 2629640, 3135340, 4075942, 5016544, 5259280, 6270680, 8151884, 10189855, 10518560, 12541360, 16303768, 20379710, 25082720, 32607536, 40759420, 65215072, 81518840, 163037680, 326075360]

約数ペア:

[(1, 326075360), (2, 163037680), (4, 81518840), (5, 65215072), (8, 40759420), (10, 32607536), (13, 25082720), (16, 20379710), (20, 16303768), (26, 12541360), (31, 10518560), (32, 10189855), (40, 8151884), (52, 6270680), (62, 5259280), (65, 5016544), (80, 4075942), (104, 3135340), (124, 2629640), (130, 2508272), (155, 2103712), (160, 2037971), (169, 1929440), (208, 1567670), (248, 1314820), (260, 1254136), (310, 1051856), (338, 964720), (389, 838240), (403, 809120), (416, 783835), (496, 657410), (520, 627068), (620, 525928), (676, 482360), (778, 419120), (806, 404560), (845, 385888), (992, 328705), (1040, 313534), (1240, 262964), (1352, 241180), (1556, 209560), (1612, 202280), (1690, 192944), (1945, 167648), (2015, 161824), (2080, 156767), (2480, 131482), (2704, 120590), (3112, 104780), (3224, 101140), (3380, 96472), (3890, 83824), (4030, 80912), (4960, 65741), (5057, 64480), (5239, 62240), (5408, 60295), (6224, 52390), (6448, 50570), (6760, 48236), (7780, 41912), (8060, 40456), (10114, 32240), (10478, 31120), (12059, 27040), (12448, 26195), (12896, 25285), (13520, 24118), (15560, 20956), (16120, 20228)]