1861017660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{7019}}^1$

素因数の和:7528

約数の個数: 96

約数和(自身を含む): 5802451200

約数和(自身を除く): 3941433540

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, 7019, 7365, 8838, 9820, 13257, 14038, 14730, 17676, 21057, 22095, 26514, 28076, 29460, 35095, 42114, 44190, 53028, 63171, 66285, 70190, 84228, 88380, 105285, 126342, 132570, 140380, 189513, 210570, 252684, 265140, 315855, 379026, 421140, 631710, 758052, 947565, 1263420, 1895130, 3446329, 3790260, 6892658, 10338987, 13785316, 17231645, 20677974, 31016961, 34463290, 41355948, 51694935, 62033922, 68926580, 93050883, 103389870, 124067844, 155084805, 186101766, 206779740, 310169610, 372203532, 465254415, 620339220, 930508830, 1861017660]

約数ペア:

[(1, 1861017660), (2, 930508830), (3, 620339220), (4, 465254415), (5, 372203532), (6, 310169610), (9, 206779740), (10, 186101766), (12, 155084805), (15, 124067844), (18, 103389870), (20, 93050883), (27, 68926580), (30, 62033922), (36, 51694935), (45, 41355948), (54, 34463290), (60, 31016961), (90, 20677974), (108, 17231645), (135, 13785316), (180, 10338987), (270, 6892658), (491, 3790260), (540, 3446329), (982, 1895130), (1473, 1263420), (1964, 947565), (2455, 758052), (2946, 631710), (4419, 421140), (4910, 379026), (5892, 315855), (7019, 265140), (7365, 252684), (8838, 210570), (9820, 189513), (13257, 140380), (14038, 132570), (14730, 126342), (17676, 105285), (21057, 88380), (22095, 84228), (26514, 70190), (28076, 66285), (29460, 63171), (35095, 53028), (42114, 44190)]