39828420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 121332120

約数和(自身を除く): 81503700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 541, 818, 1082, 1227, 1623, 1636, 2045, 2164, 2454, 2705, 3246, 3681, 4090, 4869, 4908, 5410, 6135, 6492, 7362, 8115, 8180, 9738, 10820, 12270, 14724, 16230, 18405, 19476, 24345, 24540, 32460, 36810, 48690, 73620, 97380, 221269, 442538, 663807, 885076, 1106345, 1327614, 1991421, 2212690, 2655228, 3319035, 3982842, 4425380, 6638070, 7965684, 9957105, 13276140, 19914210, 39828420]

約数ペア:

[(1, 39828420), (2, 19914210), (3, 13276140), (4, 9957105), (5, 7965684), (6, 6638070), (9, 4425380), (10, 3982842), (12, 3319035), (15, 2655228), (18, 2212690), (20, 1991421), (30, 1327614), (36, 1106345), (45, 885076), (60, 663807), (90, 442538), (180, 221269), (409, 97380), (541, 73620), (818, 48690), (1082, 36810), (1227, 32460), (1623, 24540), (1636, 24345), (2045, 19476), (2164, 18405), (2454, 16230), (2705, 14724), (3246, 12270), (3681, 10820), (4090, 9738), (4869, 8180), (4908, 8115), (5410, 7362), (6135, 6492)]