77540640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{161543}}^1$

素因数の和:161561

約数の個数: 48

約数和(自身を含む): 244254528

約数和(自身を除く): 166713888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 161543, 323086, 484629, 646172, 807715, 969258, 1292344, 1615430, 1938516, 2423145, 2584688, 3230860, 3877032, 4846290, 5169376, 6461720, 7754064, 9692580, 12923440, 15508128, 19385160, 25846880, 38770320, 77540640]

約数ペア:

[(1, 77540640), (2, 38770320), (3, 25846880), (4, 19385160), (5, 15508128), (6, 12923440), (8, 9692580), (10, 7754064), (12, 6461720), (15, 5169376), (16, 4846290), (20, 3877032), (24, 3230860), (30, 2584688), (32, 2423145), (40, 1938516), (48, 1615430), (60, 1292344), (80, 969258), (96, 807715), (120, 646172), (160, 484629), (240, 323086), (480, 161543)]