77986720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:590

約数の個数: 96

約数和(自身を含む): 212284800

約数和(自身を除く): 134298080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 179, 224, 280, 358, 389, 560, 716, 778, 895, 1120, 1253, 1432, 1556, 1790, 1945, 2506, 2723, 2864, 3112, 3580, 3890, 5012, 5446, 5728, 6224, 6265, 7160, 7780, 10024, 10892, 12448, 12530, 13615, 14320, 15560, 20048, 21784, 25060, 27230, 28640, 31120, 40096, 43568, 50120, 54460, 62240, 69631, 87136, 100240, 108920, 139262, 200480, 217840, 278524, 348155, 435680, 487417, 557048, 696310, 974834, 1114096, 1392620, 1949668, 2228192, 2437085, 2785240, 3899336, 4874170, 5570480, 7798672, 9748340, 11140960, 15597344, 19496680, 38993360, 77986720]

約数ペア:

[(1, 77986720), (2, 38993360), (4, 19496680), (5, 15597344), (7, 11140960), (8, 9748340), (10, 7798672), (14, 5570480), (16, 4874170), (20, 3899336), (28, 2785240), (32, 2437085), (35, 2228192), (40, 1949668), (56, 1392620), (70, 1114096), (80, 974834), (112, 696310), (140, 557048), (160, 487417), (179, 435680), (224, 348155), (280, 278524), (358, 217840), (389, 200480), (560, 139262), (716, 108920), (778, 100240), (895, 87136), (1120, 69631), (1253, 62240), (1432, 54460), (1556, 50120), (1790, 43568), (1945, 40096), (2506, 31120), (2723, 28640), (2864, 27230), (3112, 25060), (3580, 21784), (3890, 20048), (5012, 15560), (5446, 14320), (5728, 13615), (6224, 12530), (6265, 12448), (7160, 10892), (7780, 10024)]