1330221720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{43133}}^1$

素因数の和:43404

約数の個数: 64

約数和(自身を含む): 4006285920

約数和(自身を除く): 2676064200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 10280, 15420, 30840, 43133, 86266, 129399, 172532, 215665, 258798, 345064, 431330, 517596, 646995, 862660, 1035192, 1293990, 1725320, 2587980, 5175960, 11085181, 22170362, 33255543, 44340724, 55425905, 66511086, 88681448, 110851810, 133022172, 166277715, 221703620, 266044344, 332555430, 443407240, 665110860, 1330221720]

約数ペア:

[(1, 1330221720), (2, 665110860), (3, 443407240), (4, 332555430), (5, 266044344), (6, 221703620), (8, 166277715), (10, 133022172), (12, 110851810), (15, 88681448), (20, 66511086), (24, 55425905), (30, 44340724), (40, 33255543), (60, 22170362), (120, 11085181), (257, 5175960), (514, 2587980), (771, 1725320), (1028, 1293990), (1285, 1035192), (1542, 862660), (2056, 646995), (2570, 517596), (3084, 431330), (3855, 345064), (5140, 258798), (6168, 215665), (7710, 172532), (10280, 129399), (15420, 86266), (30840, 43133)]