71485960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 131726840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 479, 520, 533, 574, 728, 820, 910, 958, 1066, 1148, 1435, 1640, 1820, 1916, 2132, 2296, 2395, 2665, 2870, 3353, 3640, 3731, 3832, 4264, 4790, 5330, 5740, 6227, 6706, 7462, 9580, 10660, 11480, 12454, 13412, 14924, 16765, 18655, 19160, 19639, 21320, 24908, 26824, 29848, 31135, 33530, 37310, 39278, 43589, 49816, 62270, 67060, 74620, 78556, 87178, 98195, 124540, 134120, 137473, 149240, 157112, 174356, 196390, 217945, 249080, 255307, 274946, 348712, 392780, 435890, 510614, 549892, 687365, 785560, 871780, 1021228, 1099784, 1276535, 1374730, 1743560, 1787149, 2042456, 2553070, 2749460, 3574298, 5106140, 5498920, 7148596, 8935745, 10212280, 14297192, 17871490, 35742980, 71485960]

約数ペア:

[(1, 71485960), (2, 35742980), (4, 17871490), (5, 14297192), (7, 10212280), (8, 8935745), (10, 7148596), (13, 5498920), (14, 5106140), (20, 3574298), (26, 2749460), (28, 2553070), (35, 2042456), (40, 1787149), (41, 1743560), (52, 1374730), (56, 1276535), (65, 1099784), (70, 1021228), (82, 871780), (91, 785560), (104, 687365), (130, 549892), (140, 510614), (164, 435890), (182, 392780), (205, 348712), (260, 274946), (280, 255307), (287, 249080), (328, 217945), (364, 196390), (410, 174356), (455, 157112), (479, 149240), (520, 137473), (533, 134120), (574, 124540), (728, 98195), (820, 87178), (910, 78556), (958, 74620), (1066, 67060), (1148, 62270), (1435, 49816), (1640, 43589), (1820, 39278), (1916, 37310), (2132, 33530), (2296, 31135), (2395, 29848), (2665, 26824), (2870, 24908), (3353, 21320), (3640, 19639), (3731, 19160), (3832, 18655), (4264, 16765), (4790, 14924), (5330, 13412), (5740, 12454), (6227, 11480), (6706, 10660), (7462, 9580)]