47190420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{641}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 143718120

約数和(自身を除く): 96527700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 641, 818, 1227, 1282, 1636, 1923, 2045, 2454, 2564, 3205, 3681, 3846, 4090, 4908, 5769, 6135, 6410, 7362, 7692, 8180, 9615, 11538, 12270, 12820, 14724, 18405, 19230, 23076, 24540, 28845, 36810, 38460, 57690, 73620, 115380, 262169, 524338, 786507, 1048676, 1310845, 1573014, 2359521, 2621690, 3146028, 3932535, 4719042, 5243380, 7865070, 9438084, 11797605, 15730140, 23595210, 47190420]

約数ペア:

[(1, 47190420), (2, 23595210), (3, 15730140), (4, 11797605), (5, 9438084), (6, 7865070), (9, 5243380), (10, 4719042), (12, 3932535), (15, 3146028), (18, 2621690), (20, 2359521), (30, 1573014), (36, 1310845), (45, 1048676), (60, 786507), (90, 524338), (180, 262169), (409, 115380), (641, 73620), (818, 57690), (1227, 38460), (1282, 36810), (1636, 28845), (1923, 24540), (2045, 23076), (2454, 19230), (2564, 18405), (3205, 14724), (3681, 12820), (3846, 12270), (4090, 11538), (4908, 9615), (5769, 8180), (6135, 7692), (6410, 7362)]