518171580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{641}}^1$

素因数の和:1161

約数の個数: 120

約数和(自身を含む): 1631322000

約数和(自身を除く): 1113150420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 499, 540, 641, 810, 998, 1282, 1497, 1620, 1923, 1996, 2495, 2564, 2994, 3205, 3846, 4491, 4990, 5769, 5988, 6410, 7485, 7692, 8982, 9615, 9980, 11538, 12820, 13473, 14970, 17307, 17964, 19230, 22455, 23076, 26946, 28845, 29940, 34614, 38460, 40419, 44910, 51921, 53892, 57690, 67365, 69228, 80838, 86535, 89820, 103842, 115380, 134730, 161676, 173070, 202095, 207684, 259605, 269460, 319859, 346140, 404190, 519210, 639718, 808380, 959577, 1038420, 1279436, 1599295, 1919154, 2878731, 3198590, 3838308, 4797885, 5757462, 6397180, 8636193, 9595770, 11514924, 14393655, 17272386, 19191540, 25908579, 28787310, 34544772, 43180965, 51817158, 57574620, 86361930, 103634316, 129542895, 172723860, 259085790, 518171580]

約数ペア:

[(1, 518171580), (2, 259085790), (3, 172723860), (4, 129542895), (5, 103634316), (6, 86361930), (9, 57574620), (10, 51817158), (12, 43180965), (15, 34544772), (18, 28787310), (20, 25908579), (27, 19191540), (30, 17272386), (36, 14393655), (45, 11514924), (54, 9595770), (60, 8636193), (81, 6397180), (90, 5757462), (108, 4797885), (135, 3838308), (162, 3198590), (180, 2878731), (270, 1919154), (324, 1599295), (405, 1279436), (499, 1038420), (540, 959577), (641, 808380), (810, 639718), (998, 519210), (1282, 404190), (1497, 346140), (1620, 319859), (1923, 269460), (1996, 259605), (2495, 207684), (2564, 202095), (2994, 173070), (3205, 161676), (3846, 134730), (4491, 115380), (4990, 103842), (5769, 89820), (5988, 86535), (6410, 80838), (7485, 69228), (7692, 67365), (8982, 57690), (9615, 53892), (9980, 51921), (11538, 44910), (12820, 40419), (13473, 38460), (14970, 34614), (17307, 29940), (17964, 28845), (19230, 26946), (22455, 23076)]