71289540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:2002

約数の個数: 144

約数和(自身を含む): 255790080

約数和(自身を除く): 184500540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 1951, 2030, 2436, 2610, 3045, 3654, 3902, 4060, 5220, 5853, 6090, 7308, 7804, 9135, 9755, 11706, 12180, 13657, 17559, 18270, 19510, 23412, 27314, 29265, 35118, 36540, 39020, 40971, 54628, 56579, 58530, 68285, 70236, 81942, 87795, 113158, 117060, 122913, 136570, 163884, 169737, 175590, 204855, 226316, 245826, 273140, 282895, 339474, 351180, 396053, 409710, 491652, 509211, 565790, 614565, 678948, 792106, 819420, 848685, 1018422, 1131580, 1188159, 1229130, 1584212, 1697370, 1980265, 2036844, 2376318, 2458260, 2546055, 3394740, 3564477, 3960530, 4752636, 5092110, 5940795, 7128954, 7921060, 10184220, 11881590, 14257908, 17822385, 23763180, 35644770, 71289540]

約数ペア:

[(1, 71289540), (2, 35644770), (3, 23763180), (4, 17822385), (5, 14257908), (6, 11881590), (7, 10184220), (9, 7921060), (10, 7128954), (12, 5940795), (14, 5092110), (15, 4752636), (18, 3960530), (20, 3564477), (21, 3394740), (28, 2546055), (29, 2458260), (30, 2376318), (35, 2036844), (36, 1980265), (42, 1697370), (45, 1584212), (58, 1229130), (60, 1188159), (63, 1131580), (70, 1018422), (84, 848685), (87, 819420), (90, 792106), (105, 678948), (116, 614565), (126, 565790), (140, 509211), (145, 491652), (174, 409710), (180, 396053), (203, 351180), (210, 339474), (252, 282895), (261, 273140), (290, 245826), (315, 226316), (348, 204855), (406, 175590), (420, 169737), (435, 163884), (522, 136570), (580, 122913), (609, 117060), (630, 113158), (812, 87795), (870, 81942), (1015, 70236), (1044, 68285), (1218, 58530), (1260, 56579), (1305, 54628), (1740, 40971), (1827, 39020), (1951, 36540), (2030, 35118), (2436, 29265), (2610, 27314), (3045, 23412), (3654, 19510), (3902, 18270), (4060, 17559), (5220, 13657), (5853, 12180), (6090, 11706), (7308, 9755), (7804, 9135)]