18120180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1787}}^1$

素因数の和:1825

約数の個数: 72

約数和(自身を含む): 54970272

約数和(自身を除く): 36850092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1787, 2028, 2535, 3380, 3574, 5070, 5361, 7148, 8935, 10140, 10722, 17870, 21444, 23231, 26805, 35740, 46462, 53610, 69693, 92924, 107220, 116155, 139386, 232310, 278772, 302003, 348465, 464620, 604006, 696930, 906009, 1208012, 1393860, 1510015, 1812018, 3020030, 3624036, 4530045, 6040060, 9060090, 18120180]

約数ペア:

[(1, 18120180), (2, 9060090), (3, 6040060), (4, 4530045), (5, 3624036), (6, 3020030), (10, 1812018), (12, 1510015), (13, 1393860), (15, 1208012), (20, 906009), (26, 696930), (30, 604006), (39, 464620), (52, 348465), (60, 302003), (65, 278772), (78, 232310), (130, 139386), (156, 116155), (169, 107220), (195, 92924), (260, 69693), (338, 53610), (390, 46462), (507, 35740), (676, 26805), (780, 23231), (845, 21444), (1014, 17870), (1690, 10722), (1787, 10140), (2028, 8935), (2535, 7148), (3380, 5361), (3574, 5070)]