18265680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1145

約数の個数: 120

約数和(自身を含む): 64067328

約数和(自身を除く): 45801648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1103, 1104, 1380, 1656, 1840, 2070, 2206, 2760, 3309, 3312, 4140, 4412, 5515, 5520, 6618, 8280, 8824, 9927, 11030, 13236, 16545, 16560, 17648, 19854, 22060, 25369, 26472, 33090, 39708, 44120, 49635, 50738, 52944, 66180, 76107, 79416, 88240, 99270, 101476, 126845, 132360, 152214, 158832, 198540, 202952, 228321, 253690, 264720, 304428, 380535, 397080, 405904, 456642, 507380, 608856, 761070, 794160, 913284, 1014760, 1141605, 1217712, 1522140, 1826568, 2029520, 2283210, 3044280, 3653136, 4566420, 6088560, 9132840, 18265680]

約数ペア:

[(1, 18265680), (2, 9132840), (3, 6088560), (4, 4566420), (5, 3653136), (6, 3044280), (8, 2283210), (9, 2029520), (10, 1826568), (12, 1522140), (15, 1217712), (16, 1141605), (18, 1014760), (20, 913284), (23, 794160), (24, 761070), (30, 608856), (36, 507380), (40, 456642), (45, 405904), (46, 397080), (48, 380535), (60, 304428), (69, 264720), (72, 253690), (80, 228321), (90, 202952), (92, 198540), (115, 158832), (120, 152214), (138, 132360), (144, 126845), (180, 101476), (184, 99270), (207, 88240), (230, 79416), (240, 76107), (276, 66180), (345, 52944), (360, 50738), (368, 49635), (414, 44120), (460, 39708), (552, 33090), (690, 26472), (720, 25369), (828, 22060), (920, 19854), (1035, 17648), (1103, 16560), (1104, 16545), (1380, 13236), (1656, 11030), (1840, 9927), (2070, 8824), (2206, 8280), (2760, 6618), (3309, 5520), (3312, 5515), (4140, 4412)]