82787460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1026

約数の個数: 144

約数和(自身を含む): 279236160

約数和(自身を除く): 196448700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 870, 971, 980, 1015, 1218, 1421, 1470, 1740, 1942, 2030, 2436, 2842, 2913, 2940, 3045, 3884, 4060, 4263, 4855, 5684, 5826, 6090, 6797, 7105, 8526, 9710, 11652, 12180, 13594, 14210, 14565, 17052, 19420, 20391, 21315, 27188, 28159, 28420, 29130, 33985, 40782, 42630, 47579, 56318, 58260, 67970, 81564, 84477, 85260, 95158, 101955, 112636, 135940, 140795, 142737, 168954, 190316, 197113, 203910, 237895, 281590, 285474, 337908, 394226, 407820, 422385, 475790, 563180, 570948, 591339, 713685, 788452, 844770, 951580, 985565, 1182678, 1379791, 1427370, 1689540, 1971130, 2365356, 2759582, 2854740, 2956695, 3942260, 4139373, 5519164, 5913390, 6898955, 8278746, 11826780, 13797910, 16557492, 20696865, 27595820, 41393730, 82787460]

約数ペア:

[(1, 82787460), (2, 41393730), (3, 27595820), (4, 20696865), (5, 16557492), (6, 13797910), (7, 11826780), (10, 8278746), (12, 6898955), (14, 5913390), (15, 5519164), (20, 4139373), (21, 3942260), (28, 2956695), (29, 2854740), (30, 2759582), (35, 2365356), (42, 1971130), (49, 1689540), (58, 1427370), (60, 1379791), (70, 1182678), (84, 985565), (87, 951580), (98, 844770), (105, 788452), (116, 713685), (140, 591339), (145, 570948), (147, 563180), (174, 475790), (196, 422385), (203, 407820), (210, 394226), (245, 337908), (290, 285474), (294, 281590), (348, 237895), (406, 203910), (420, 197113), (435, 190316), (490, 168954), (580, 142737), (588, 140795), (609, 135940), (735, 112636), (812, 101955), (870, 95158), (971, 85260), (980, 84477), (1015, 81564), (1218, 67970), (1421, 58260), (1470, 56318), (1740, 47579), (1942, 42630), (2030, 40782), (2436, 33985), (2842, 29130), (2913, 28420), (2940, 28159), (3045, 27188), (3884, 21315), (4060, 20391), (4263, 19420), (4855, 17052), (5684, 14565), (5826, 14210), (6090, 13594), (6797, 12180), (7105, 11652), (8526, 9710)]