81614340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7433}}^1$

素因数の和:7509

約数の個数: 72

約数和(自身を含む): 251655768

約数和(自身を除く): 170041428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 7433, 10980, 14866, 22299, 29732, 37165, 44598, 66897, 74330, 89196, 111495, 133794, 148660, 222990, 267588, 334485, 445980, 453413, 668970, 906826, 1337940, 1360239, 1813652, 2267065, 2720478, 4080717, 4534130, 5440956, 6801195, 8161434, 9068260, 13602390, 16322868, 20403585, 27204780, 40807170, 81614340]

約数ペア:

[(1, 81614340), (2, 40807170), (3, 27204780), (4, 20403585), (5, 16322868), (6, 13602390), (9, 9068260), (10, 8161434), (12, 6801195), (15, 5440956), (18, 4534130), (20, 4080717), (30, 2720478), (36, 2267065), (45, 1813652), (60, 1360239), (61, 1337940), (90, 906826), (122, 668970), (180, 453413), (183, 445980), (244, 334485), (305, 267588), (366, 222990), (549, 148660), (610, 133794), (732, 111495), (915, 89196), (1098, 74330), (1220, 66897), (1830, 44598), (2196, 37165), (2745, 29732), (3660, 22299), (5490, 14866), (7433, 10980)]