81284040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1124

約数の個数: 128

約数和(自身を含む): 274924800

約数和(自身を除く): 193640760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 360, 365, 438, 540, 584, 657, 730, 876, 1031, 1080, 1095, 1314, 1460, 1752, 1971, 2062, 2190, 2628, 2920, 3093, 3285, 3942, 4124, 4380, 5155, 5256, 6186, 6570, 7884, 8248, 8760, 9279, 9855, 10310, 12372, 13140, 15465, 15768, 18558, 19710, 20620, 24744, 26280, 27837, 30930, 37116, 39420, 41240, 46395, 55674, 61860, 74232, 75263, 78840, 92790, 111348, 123720, 139185, 150526, 185580, 222696, 225789, 278370, 301052, 371160, 376315, 451578, 556740, 602104, 677367, 752630, 903156, 1113480, 1128945, 1354734, 1505260, 1806312, 2032101, 2257890, 2709468, 3010520, 3386835, 4064202, 4515780, 5418936, 6773670, 8128404, 9031560, 10160505, 13547340, 16256808, 20321010, 27094680, 40642020, 81284040]

約数ペア:

[(1, 81284040), (2, 40642020), (3, 27094680), (4, 20321010), (5, 16256808), (6, 13547340), (8, 10160505), (9, 9031560), (10, 8128404), (12, 6773670), (15, 5418936), (18, 4515780), (20, 4064202), (24, 3386835), (27, 3010520), (30, 2709468), (36, 2257890), (40, 2032101), (45, 1806312), (54, 1505260), (60, 1354734), (72, 1128945), (73, 1113480), (90, 903156), (108, 752630), (120, 677367), (135, 602104), (146, 556740), (180, 451578), (216, 376315), (219, 371160), (270, 301052), (292, 278370), (360, 225789), (365, 222696), (438, 185580), (540, 150526), (584, 139185), (657, 123720), (730, 111348), (876, 92790), (1031, 78840), (1080, 75263), (1095, 74232), (1314, 61860), (1460, 55674), (1752, 46395), (1971, 41240), (2062, 39420), (2190, 37116), (2628, 30930), (2920, 27837), (3093, 26280), (3285, 24744), (3942, 20620), (4124, 19710), (4380, 18558), (5155, 15768), (5256, 15465), (6186, 13140), (6570, 12372), (7884, 10310), (8248, 9855), (8760, 9279)]