128306220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7451}}^1$

素因数の和:7511

約数の個数: 96

約数和(自身を含む): 420650496

約数和(自身を除く): 292344276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 7451, 8610, 14902, 17220, 22353, 29804, 37255, 44706, 52157, 74510, 89412, 104314, 111765, 149020, 156471, 208628, 223530, 260785, 305491, 312942, 447060, 521570, 610982, 625884, 782355, 916473, 1043140, 1221964, 1527455, 1564710, 1832946, 2138437, 3054910, 3129420, 3665892, 4276874, 4582365, 6109820, 6415311, 8553748, 9164730, 10692185, 12830622, 18329460, 21384370, 25661244, 32076555, 42768740, 64153110, 128306220]

約数ペア:

[(1, 128306220), (2, 64153110), (3, 42768740), (4, 32076555), (5, 25661244), (6, 21384370), (7, 18329460), (10, 12830622), (12, 10692185), (14, 9164730), (15, 8553748), (20, 6415311), (21, 6109820), (28, 4582365), (30, 4276874), (35, 3665892), (41, 3129420), (42, 3054910), (60, 2138437), (70, 1832946), (82, 1564710), (84, 1527455), (105, 1221964), (123, 1043140), (140, 916473), (164, 782355), (205, 625884), (210, 610982), (246, 521570), (287, 447060), (410, 312942), (420, 305491), (492, 260785), (574, 223530), (615, 208628), (820, 156471), (861, 149020), (1148, 111765), (1230, 104314), (1435, 89412), (1722, 74510), (2460, 52157), (2870, 44706), (3444, 37255), (4305, 29804), (5740, 22353), (7451, 17220), (8610, 14902)]