64963960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 153679680

約数和(自身を除く): 88715720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 241, 293, 460, 482, 586, 920, 964, 1172, 1205, 1465, 1928, 2344, 2410, 2930, 4820, 5543, 5860, 6739, 9640, 11086, 11720, 13478, 22172, 26956, 27715, 33695, 44344, 53912, 55430, 67390, 70613, 110860, 134780, 141226, 221720, 269560, 282452, 353065, 564904, 706130, 1412260, 1624099, 2824520, 3248198, 6496396, 8120495, 12992792, 16240990, 32481980, 64963960]

約数ペア:

[(1, 64963960), (2, 32481980), (4, 16240990), (5, 12992792), (8, 8120495), (10, 6496396), (20, 3248198), (23, 2824520), (40, 1624099), (46, 1412260), (92, 706130), (115, 564904), (184, 353065), (230, 282452), (241, 269560), (293, 221720), (460, 141226), (482, 134780), (586, 110860), (920, 70613), (964, 67390), (1172, 55430), (1205, 53912), (1465, 44344), (1928, 33695), (2344, 27715), (2410, 26956), (2930, 22172), (4820, 13478), (5543, 11720), (5860, 11086), (6739, 9640)]