64670688

素因数分解:

$2^5\times 3^2\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:968

約数の個数: 72

約数和(自身を含む): 184687776

約数和(自身を除く): 120017088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 431, 521, 862, 1042, 1293, 1563, 1724, 2084, 2586, 3126, 3448, 3879, 4168, 4689, 5172, 6252, 6896, 7758, 8336, 9378, 10344, 12504, 13792, 15516, 16672, 18756, 20688, 25008, 31032, 37512, 41376, 50016, 62064, 75024, 124128, 150048, 224551, 449102, 673653, 898204, 1347306, 1796408, 2020959, 2694612, 3592816, 4041918, 5389224, 7185632, 8083836, 10778448, 16167672, 21556896, 32335344, 64670688]

約数ペア:

[(1, 64670688), (2, 32335344), (3, 21556896), (4, 16167672), (6, 10778448), (8, 8083836), (9, 7185632), (12, 5389224), (16, 4041918), (18, 3592816), (24, 2694612), (32, 2020959), (36, 1796408), (48, 1347306), (72, 898204), (96, 673653), (144, 449102), (288, 224551), (431, 150048), (521, 124128), (862, 75024), (1042, 62064), (1293, 50016), (1563, 41376), (1724, 37512), (2084, 31032), (2586, 25008), (3126, 20688), (3448, 18756), (3879, 16672), (4168, 15516), (4689, 13792), (5172, 12504), (6252, 10344), (6896, 9378), (7758, 8336)]