71963820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{739}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 218989680

約数和(自身を除く): 147025860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 541, 739, 1082, 1478, 1623, 2164, 2217, 2705, 2956, 3246, 3695, 4434, 4869, 5410, 6492, 6651, 7390, 8115, 8868, 9738, 10820, 11085, 13302, 14780, 16230, 19476, 22170, 24345, 26604, 32460, 33255, 44340, 48690, 66510, 97380, 133020, 399799, 799598, 1199397, 1599196, 1998995, 2398794, 3598191, 3997990, 4797588, 5996985, 7196382, 7995980, 11993970, 14392764, 17990955, 23987940, 35981910, 71963820]

約数ペア:

[(1, 71963820), (2, 35981910), (3, 23987940), (4, 17990955), (5, 14392764), (6, 11993970), (9, 7995980), (10, 7196382), (12, 5996985), (15, 4797588), (18, 3997990), (20, 3598191), (30, 2398794), (36, 1998995), (45, 1599196), (60, 1199397), (90, 799598), (180, 399799), (541, 133020), (739, 97380), (1082, 66510), (1478, 48690), (1623, 44340), (2164, 33255), (2217, 32460), (2705, 26604), (2956, 24345), (3246, 22170), (3695, 19476), (4434, 16230), (4869, 14780), (5410, 13302), (6492, 11085), (6651, 10820), (7390, 9738), (8115, 8868)]