71216460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2000

約数の個数: 144

約数和(自身を含む): 255528000

約数和(自身を除く): 184311540

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, 1949, 2030, 2436, 2610, 3045, 3654, 3898, 4060, 5220, 5847, 6090, 7308, 7796, 9135, 9745, 11694, 12180, 13643, 17541, 18270, 19490, 23388, 27286, 29235, 35082, 36540, 38980, 40929, 54572, 56521, 58470, 68215, 70164, 81858, 87705, 113042, 116940, 122787, 136430, 163716, 169563, 175410, 204645, 226084, 245574, 272860, 282605, 339126, 350820, 395647, 409290, 491148, 508689, 565210, 613935, 678252, 791294, 818580, 847815, 1017378, 1130420, 1186941, 1227870, 1582588, 1695630, 1978235, 2034756, 2373882, 2455740, 2543445, 3391260, 3560823, 3956470, 4747764, 5086890, 5934705, 7121646, 7912940, 10173780, 11869410, 14243292, 17804115, 23738820, 35608230, 71216460]

約数ペア:

[(1, 71216460), (2, 35608230), (3, 23738820), (4, 17804115), (5, 14243292), (6, 11869410), (7, 10173780), (9, 7912940), (10, 7121646), (12, 5934705), (14, 5086890), (15, 4747764), (18, 3956470), (20, 3560823), (21, 3391260), (28, 2543445), (29, 2455740), (30, 2373882), (35, 2034756), (36, 1978235), (42, 1695630), (45, 1582588), (58, 1227870), (60, 1186941), (63, 1130420), (70, 1017378), (84, 847815), (87, 818580), (90, 791294), (105, 678252), (116, 613935), (126, 565210), (140, 508689), (145, 491148), (174, 409290), (180, 395647), (203, 350820), (210, 339126), (252, 282605), (261, 272860), (290, 245574), (315, 226084), (348, 204645), (406, 175410), (420, 169563), (435, 163716), (522, 136430), (580, 122787), (609, 116940), (630, 113042), (812, 87705), (870, 81858), (1015, 70164), (1044, 68215), (1218, 58470), (1260, 56521), (1305, 54572), (1740, 40929), (1827, 38980), (1949, 36540), (2030, 35082), (2436, 29235), (2610, 27286), (3045, 23388), (3654, 19490), (3898, 18270), (4060, 17541), (5220, 13643), (5847, 12180), (6090, 11694), (7308, 9745), (7796, 9135)]