660773775

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 1113420800

約数和(自身を除く): 452647025

約数列:

[1, 3, 5, 15, 25, 75, 79, 229, 237, 395, 487, 687, 1145, 1185, 1461, 1975, 2435, 3435, 5725, 5925, 7305, 12175, 17175, 18091, 36525, 38473, 54273, 90455, 111523, 115419, 192365, 271365, 334569, 452275, 557615, 577095, 961825, 1356825, 1672845, 2788075, 2885475, 8364225, 8810317, 26430951, 44051585, 132154755, 220257925, 660773775]

約数ペア:

[(1, 660773775), (3, 220257925), (5, 132154755), (15, 44051585), (25, 26430951), (75, 8810317), (79, 8364225), (229, 2885475), (237, 2788075), (395, 1672845), (487, 1356825), (687, 961825), (1145, 577095), (1185, 557615), (1461, 452275), (1975, 334569), (2435, 271365), (3435, 192365), (5725, 115419), (5925, 111523), (7305, 90455), (12175, 54273), (17175, 38473), (18091, 36525)]