164854620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{18691}}^1$

素因数の和:18720

約数の個数: 108

約数和(自身を含む): 581732424

約数和(自身を除く): 416877804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 18691, 37382, 56073, 74764, 93455, 112146, 130837, 168219, 186910, 224292, 261674, 280365, 336438, 373820, 392511, 523348, 560730, 654185, 672876, 785022, 841095, 915859, 1121460, 1177533, 1308370, 1570044, 1682190, 1831718, 1962555, 2355066, 2616740, 2747577, 3364380, 3663436, 3925110, 4579295, 4710132, 5495154, 5887665, 7850220, 8242731, 9158590, 10990308, 11775330, 13737885, 16485462, 18317180, 23550660, 27475770, 32970924, 41213655, 54951540, 82427310, 164854620]

約数ペア:

[(1, 164854620), (2, 82427310), (3, 54951540), (4, 41213655), (5, 32970924), (6, 27475770), (7, 23550660), (9, 18317180), (10, 16485462), (12, 13737885), (14, 11775330), (15, 10990308), (18, 9158590), (20, 8242731), (21, 7850220), (28, 5887665), (30, 5495154), (35, 4710132), (36, 4579295), (42, 3925110), (45, 3663436), (49, 3364380), (60, 2747577), (63, 2616740), (70, 2355066), (84, 1962555), (90, 1831718), (98, 1682190), (105, 1570044), (126, 1308370), (140, 1177533), (147, 1121460), (180, 915859), (196, 841095), (210, 785022), (245, 672876), (252, 654185), (294, 560730), (315, 523348), (420, 392511), (441, 373820), (490, 336438), (588, 280365), (630, 261674), (735, 224292), (882, 186910), (980, 168219), (1260, 130837), (1470, 112146), (1764, 93455), (2205, 74764), (2940, 56073), (4410, 37382), (8820, 18691)]