121581040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1091}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 324979200

約数和(自身を除く): 203398160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 995, 1091, 1393, 1592, 1990, 2182, 2786, 3184, 3980, 4364, 5455, 5572, 6965, 7637, 7960, 8728, 10910, 11144, 13930, 15274, 15920, 17456, 21820, 22288, 27860, 30548, 38185, 43640, 55720, 61096, 76370, 87280, 111440, 122192, 152740, 217109, 305480, 434218, 610960, 868436, 1085545, 1519763, 1736872, 2171090, 3039526, 3473744, 4342180, 6079052, 7598815, 8684360, 12158104, 15197630, 17368720, 24316208, 30395260, 60790520, 121581040]

約数ペア:

[(1, 121581040), (2, 60790520), (4, 30395260), (5, 24316208), (7, 17368720), (8, 15197630), (10, 12158104), (14, 8684360), (16, 7598815), (20, 6079052), (28, 4342180), (35, 3473744), (40, 3039526), (56, 2171090), (70, 1736872), (80, 1519763), (112, 1085545), (140, 868436), (199, 610960), (280, 434218), (398, 305480), (560, 217109), (796, 152740), (995, 122192), (1091, 111440), (1393, 87280), (1592, 76370), (1990, 61096), (2182, 55720), (2786, 43640), (3184, 38185), (3980, 30548), (4364, 27860), (5455, 22288), (5572, 21820), (6965, 17456), (7637, 15920), (7960, 15274), (8728, 13930), (10910, 11144)]