1998360180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{7537}}^1$

素因数の和:8046

約数の個数: 96

約数和(自身を含む): 6230609280

約数和(自身を除く): 4232249100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 491, 540, 982, 1473, 1964, 2455, 2946, 4419, 4910, 5892, 7365, 7537, 8838, 9820, 13257, 14730, 15074, 17676, 22095, 22611, 26514, 29460, 30148, 37685, 44190, 45222, 53028, 66285, 67833, 75370, 88380, 90444, 113055, 132570, 135666, 150740, 203499, 226110, 265140, 271332, 339165, 406998, 452220, 678330, 813996, 1017495, 1356660, 2034990, 3700667, 4069980, 7401334, 11102001, 14802668, 18503335, 22204002, 33306003, 37006670, 44408004, 55510005, 66612006, 74013340, 99918009, 111020010, 133224012, 166530015, 199836018, 222040020, 333060030, 399672036, 499590045, 666120060, 999180090, 1998360180]

約数ペア:

[(1, 1998360180), (2, 999180090), (3, 666120060), (4, 499590045), (5, 399672036), (6, 333060030), (9, 222040020), (10, 199836018), (12, 166530015), (15, 133224012), (18, 111020010), (20, 99918009), (27, 74013340), (30, 66612006), (36, 55510005), (45, 44408004), (54, 37006670), (60, 33306003), (90, 22204002), (108, 18503335), (135, 14802668), (180, 11102001), (270, 7401334), (491, 4069980), (540, 3700667), (982, 2034990), (1473, 1356660), (1964, 1017495), (2455, 813996), (2946, 678330), (4419, 452220), (4910, 406998), (5892, 339165), (7365, 271332), (7537, 265140), (8838, 226110), (9820, 203499), (13257, 150740), (14730, 135666), (15074, 132570), (17676, 113055), (22095, 90444), (22611, 88380), (26514, 75370), (29460, 67833), (30148, 66285), (37685, 53028), (44190, 45222)]