161345220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13513}}^1$

素因数の和:13724

約数の個数: 48

約数和(自身を含む): 454070400

約数和(自身を除く): 292725180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2388, 2985, 3980, 5970, 11940, 13513, 27026, 40539, 54052, 67565, 81078, 135130, 162156, 202695, 270260, 405390, 810780, 2689087, 5378174, 8067261, 10756348, 13445435, 16134522, 26890870, 32269044, 40336305, 53781740, 80672610, 161345220]

約数ペア:

[(1, 161345220), (2, 80672610), (3, 53781740), (4, 40336305), (5, 32269044), (6, 26890870), (10, 16134522), (12, 13445435), (15, 10756348), (20, 8067261), (30, 5378174), (60, 2689087), (199, 810780), (398, 405390), (597, 270260), (796, 202695), (995, 162156), (1194, 135130), (1990, 81078), (2388, 67565), (2985, 54052), (3980, 40539), (5970, 27026), (11940, 13513)]