10728205640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^2$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 25802559720

約数和(自身を除く): 15074354080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 314, 317, 340, 628, 634, 680, 785, 1256, 1268, 1570, 1585, 2536, 2669, 3140, 3170, 5338, 5389, 6280, 6340, 10676, 10778, 12680, 13345, 21352, 21556, 26690, 26945, 43112, 49769, 53380, 53890, 99538, 100489, 106760, 107780, 199076, 200978, 215560, 248845, 398152, 401956, 497690, 502445, 803912, 846073, 995380, 1004890, 1692146, 1708313, 1990760, 2009780, 3384292, 3416626, 4019560, 4230365, 6768584, 6833252, 8460730, 8541565, 13666504, 15776773, 16921460, 17083130, 31553546, 33842920, 34166260, 63107092, 68332520, 78883865, 126214184, 157767730, 268205141, 315535460, 536410282, 631070920, 1072820564, 1341025705, 2145641128, 2682051410, 5364102820, 10728205640]

約数ペア:

[(1, 10728205640), (2, 5364102820), (4, 2682051410), (5, 2145641128), (8, 1341025705), (10, 1072820564), (17, 631070920), (20, 536410282), (34, 315535460), (40, 268205141), (68, 157767730), (85, 126214184), (136, 78883865), (157, 68332520), (170, 63107092), (314, 34166260), (317, 33842920), (340, 31553546), (628, 17083130), (634, 16921460), (680, 15776773), (785, 13666504), (1256, 8541565), (1268, 8460730), (1570, 6833252), (1585, 6768584), (2536, 4230365), (2669, 4019560), (3140, 3416626), (3170, 3384292), (5338, 2009780), (5389, 1990760), (6280, 1708313), (6340, 1692146), (10676, 1004890), (10778, 995380), (12680, 846073), (13345, 803912), (21352, 502445), (21556, 497690), (26690, 401956), (26945, 398152), (43112, 248845), (49769, 215560), (53380, 200978), (53890, 199076), (99538, 107780), (100489, 106760)]