218655720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3319}}^1$

素因数の和:3400

約数の個数: 128

約数和(自身を含む): 741024000

約数和(自身を除く): 522368280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3319, 3660, 4392, 5490, 6588, 6638, 7320, 8235, 9957, 10980, 13176, 13276, 16470, 16595, 19914, 21960, 26552, 29871, 32940, 33190, 39828, 49785, 59742, 65880, 66380, 79656, 89613, 99570, 119484, 132760, 149355, 179226, 199140, 202459, 238968, 298710, 358452, 398280, 404918, 448065, 597420, 607377, 716904, 809836, 896130, 1012295, 1194840, 1214754, 1619672, 1792260, 1822131, 2024590, 2429508, 3036885, 3584520, 3644262, 4049180, 4859016, 5466393, 6073770, 7288524, 8098360, 9110655, 10932786, 12147540, 14577048, 18221310, 21865572, 24295080, 27331965, 36442620, 43731144, 54663930, 72885240, 109327860, 218655720]

約数ペア:

[(1, 218655720), (2, 109327860), (3, 72885240), (4, 54663930), (5, 43731144), (6, 36442620), (8, 27331965), (9, 24295080), (10, 21865572), (12, 18221310), (15, 14577048), (18, 12147540), (20, 10932786), (24, 9110655), (27, 8098360), (30, 7288524), (36, 6073770), (40, 5466393), (45, 4859016), (54, 4049180), (60, 3644262), (61, 3584520), (72, 3036885), (90, 2429508), (108, 2024590), (120, 1822131), (122, 1792260), (135, 1619672), (180, 1214754), (183, 1194840), (216, 1012295), (244, 896130), (270, 809836), (305, 716904), (360, 607377), (366, 597420), (488, 448065), (540, 404918), (549, 398280), (610, 358452), (732, 298710), (915, 238968), (1080, 202459), (1098, 199140), (1220, 179226), (1464, 149355), (1647, 132760), (1830, 119484), (2196, 99570), (2440, 89613), (2745, 79656), (3294, 66380), (3319, 65880), (3660, 59742), (4392, 49785), (5490, 39828), (6588, 33190), (6638, 32940), (7320, 29871), (8235, 26552), (9957, 21960), (10980, 19914), (13176, 16595), (13276, 16470)]