64271480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17657}}^1$

素因数の和:17688

約数の個数: 64

約数和(自身を含む): 177992640

約数和(自身を除く): 113721160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17657, 35314, 70628, 88285, 123599, 141256, 176570, 229541, 247198, 353140, 459082, 494396, 617995, 706280, 918164, 988792, 1147705, 1235990, 1606787, 1836328, 2295410, 2471980, 3213574, 4590820, 4943960, 6427148, 8033935, 9181640, 12854296, 16067870, 32135740, 64271480]

約数ペア:

[(1, 64271480), (2, 32135740), (4, 16067870), (5, 12854296), (7, 9181640), (8, 8033935), (10, 6427148), (13, 4943960), (14, 4590820), (20, 3213574), (26, 2471980), (28, 2295410), (35, 1836328), (40, 1606787), (52, 1235990), (56, 1147705), (65, 988792), (70, 918164), (91, 706280), (104, 617995), (130, 494396), (140, 459082), (182, 353140), (260, 247198), (280, 229541), (364, 176570), (455, 141256), (520, 123599), (728, 88285), (910, 70628), (1820, 35314), (3640, 17657)]