161195475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{641}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 305694720

約数和(自身を除く): 144499245

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 479, 525, 641, 1437, 1923, 2395, 3205, 3353, 4487, 7185, 9615, 10059, 11975, 13461, 16025, 16765, 22435, 35925, 48075, 50295, 67305, 83825, 112175, 251475, 307039, 336525, 921117, 1535195, 2149273, 4605585, 6447819, 7675975, 10746365, 23027925, 32239095, 53731825, 161195475]

約数ペア:

[(1, 161195475), (3, 53731825), (5, 32239095), (7, 23027925), (15, 10746365), (21, 7675975), (25, 6447819), (35, 4605585), (75, 2149273), (105, 1535195), (175, 921117), (479, 336525), (525, 307039), (641, 251475), (1437, 112175), (1923, 83825), (2395, 67305), (3205, 50295), (3353, 48075), (4487, 35925), (7185, 22435), (9615, 16765), (10059, 16025), (11975, 13461)]