17989860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 60903360

約数和(自身を除く): 42913500

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, 211, 245, 290, 294, 348, 406, 420, 422, 435, 490, 580, 588, 609, 633, 735, 812, 844, 870, 980, 1015, 1055, 1218, 1266, 1421, 1470, 1477, 1740, 2030, 2110, 2436, 2532, 2842, 2940, 2954, 3045, 3165, 4060, 4220, 4263, 4431, 5684, 5908, 6090, 6119, 6330, 7105, 7385, 8526, 8862, 10339, 12180, 12238, 12660, 14210, 14770, 17052, 17724, 18357, 20678, 21315, 22155, 24476, 28420, 29540, 30595, 31017, 36714, 41356, 42630, 42833, 44310, 51695, 61190, 62034, 73428, 85260, 85666, 88620, 91785, 103390, 122380, 124068, 128499, 155085, 171332, 183570, 206780, 214165, 256998, 299831, 310170, 367140, 428330, 513996, 599662, 620340, 642495, 856660, 899493, 1199324, 1284990, 1499155, 1798986, 2569980, 2998310, 3597972, 4497465, 5996620, 8994930, 17989860]

約数ペア:

[(1, 17989860), (2, 8994930), (3, 5996620), (4, 4497465), (5, 3597972), (6, 2998310), (7, 2569980), (10, 1798986), (12, 1499155), (14, 1284990), (15, 1199324), (20, 899493), (21, 856660), (28, 642495), (29, 620340), (30, 599662), (35, 513996), (42, 428330), (49, 367140), (58, 310170), (60, 299831), (70, 256998), (84, 214165), (87, 206780), (98, 183570), (105, 171332), (116, 155085), (140, 128499), (145, 124068), (147, 122380), (174, 103390), (196, 91785), (203, 88620), (210, 85666), (211, 85260), (245, 73428), (290, 62034), (294, 61190), (348, 51695), (406, 44310), (420, 42833), (422, 42630), (435, 41356), (490, 36714), (580, 31017), (588, 30595), (609, 29540), (633, 28420), (735, 24476), (812, 22155), (844, 21315), (870, 20678), (980, 18357), (1015, 17724), (1055, 17052), (1218, 14770), (1266, 14210), (1421, 12660), (1470, 12238), (1477, 12180), (1740, 10339), (2030, 8862), (2110, 8526), (2436, 7385), (2532, 7105), (2842, 6330), (2940, 6119), (2954, 6090), (3045, 5908), (3165, 5684), (4060, 4431), (4220, 4263)]