8064420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 28421568

約数和(自身を除く): 20357148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 211, 245, 260, 273, 294, 364, 390, 420, 422, 455, 490, 546, 588, 633, 637, 735, 780, 844, 910, 980, 1055, 1092, 1266, 1274, 1365, 1470, 1477, 1820, 1911, 2110, 2532, 2548, 2730, 2743, 2940, 2954, 3165, 3185, 3822, 4220, 4431, 5460, 5486, 5908, 6330, 6370, 7385, 7644, 8229, 8862, 9555, 10339, 10972, 12660, 12740, 13715, 14770, 16458, 17724, 19110, 19201, 20678, 22155, 27430, 29540, 31017, 32916, 38220, 38402, 41145, 41356, 44310, 51695, 54860, 57603, 62034, 76804, 82290, 88620, 96005, 103390, 115206, 124068, 134407, 155085, 164580, 192010, 206780, 230412, 268814, 288015, 310170, 384020, 403221, 537628, 576030, 620340, 672035, 806442, 1152060, 1344070, 1612884, 2016105, 2688140, 4032210, 8064420]

約数ペア:

[(1, 8064420), (2, 4032210), (3, 2688140), (4, 2016105), (5, 1612884), (6, 1344070), (7, 1152060), (10, 806442), (12, 672035), (13, 620340), (14, 576030), (15, 537628), (20, 403221), (21, 384020), (26, 310170), (28, 288015), (30, 268814), (35, 230412), (39, 206780), (42, 192010), (49, 164580), (52, 155085), (60, 134407), (65, 124068), (70, 115206), (78, 103390), (84, 96005), (91, 88620), (98, 82290), (105, 76804), (130, 62034), (140, 57603), (147, 54860), (156, 51695), (182, 44310), (195, 41356), (196, 41145), (210, 38402), (211, 38220), (245, 32916), (260, 31017), (273, 29540), (294, 27430), (364, 22155), (390, 20678), (420, 19201), (422, 19110), (455, 17724), (490, 16458), (546, 14770), (588, 13715), (633, 12740), (637, 12660), (735, 10972), (780, 10339), (844, 9555), (910, 8862), (980, 8229), (1055, 7644), (1092, 7385), (1266, 6370), (1274, 6330), (1365, 5908), (1470, 5486), (1477, 5460), (1820, 4431), (1911, 4220), (2110, 3822), (2532, 3185), (2548, 3165), (2730, 2954), (2743, 2940)]