1441720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 3916800

約数和(自身を除く): 2475080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 271, 280, 380, 532, 542, 665, 760, 1064, 1084, 1330, 1355, 1897, 2168, 2660, 2710, 3794, 5149, 5320, 5420, 7588, 9485, 10298, 10840, 15176, 18970, 20596, 25745, 36043, 37940, 41192, 51490, 72086, 75880, 102980, 144172, 180215, 205960, 288344, 360430, 720860, 1441720]

約数ペア:

[(1, 1441720), (2, 720860), (4, 360430), (5, 288344), (7, 205960), (8, 180215), (10, 144172), (14, 102980), (19, 75880), (20, 72086), (28, 51490), (35, 41192), (38, 37940), (40, 36043), (56, 25745), (70, 20596), (76, 18970), (95, 15176), (133, 10840), (140, 10298), (152, 9485), (190, 7588), (266, 5420), (271, 5320), (280, 5149), (380, 3794), (532, 2710), (542, 2660), (665, 2168), (760, 1897), (1064, 1355), (1084, 1330)]