1257473960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{5647}}^1$

素因数の和:5970

約数の個数: 64

約数和(自身を含む): 2988921600

約数和(自身を除く): 1731447640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 293, 380, 586, 760, 1172, 1465, 2344, 2930, 5567, 5647, 5860, 11134, 11294, 11720, 22268, 22588, 27835, 28235, 44536, 45176, 55670, 56470, 107293, 111340, 112940, 214586, 222680, 225880, 429172, 536465, 858344, 1072930, 1654571, 2145860, 3309142, 4291720, 6618284, 8272855, 13236568, 16545710, 31436849, 33091420, 62873698, 66182840, 125747396, 157184245, 251494792, 314368490, 628736980, 1257473960]

約数ペア:

[(1, 1257473960), (2, 628736980), (4, 314368490), (5, 251494792), (8, 157184245), (10, 125747396), (19, 66182840), (20, 62873698), (38, 33091420), (40, 31436849), (76, 16545710), (95, 13236568), (152, 8272855), (190, 6618284), (293, 4291720), (380, 3309142), (586, 2145860), (760, 1654571), (1172, 1072930), (1465, 858344), (2344, 536465), (2930, 429172), (5567, 225880), (5647, 222680), (5860, 214586), (11134, 112940), (11294, 111340), (11720, 107293), (22268, 56470), (22588, 55670), (27835, 45176), (28235, 44536)]