64215972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 172040960

約数和(自身を除く): 107824988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 223, 228, 342, 421, 446, 669, 684, 842, 892, 1263, 1338, 1684, 2007, 2526, 2676, 3789, 4014, 4237, 5052, 7578, 7999, 8028, 8474, 12711, 15156, 15998, 16948, 23997, 25422, 31996, 38133, 47994, 50844, 71991, 76266, 93883, 95988, 143982, 152532, 187766, 281649, 287964, 375532, 563298, 844947, 1126596, 1689894, 1783777, 3379788, 3567554, 5351331, 7135108, 10702662, 16053993, 21405324, 32107986, 64215972]

約数ペア:

[(1, 64215972), (2, 32107986), (3, 21405324), (4, 16053993), (6, 10702662), (9, 7135108), (12, 5351331), (18, 3567554), (19, 3379788), (36, 1783777), (38, 1689894), (57, 1126596), (76, 844947), (114, 563298), (171, 375532), (223, 287964), (228, 281649), (342, 187766), (421, 152532), (446, 143982), (669, 95988), (684, 93883), (842, 76266), (892, 71991), (1263, 50844), (1338, 47994), (1684, 38133), (2007, 31996), (2526, 25422), (2676, 23997), (3789, 16948), (4014, 15998), (4237, 15156), (5052, 12711), (7578, 8474), (7999, 8028)]