64402970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 131051520

約数和(自身を除く): 66648550

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 127, 157, 170, 190, 254, 314, 323, 635, 646, 785, 1270, 1570, 1615, 2159, 2413, 2669, 2983, 3230, 4318, 4826, 5338, 5966, 10795, 12065, 13345, 14915, 19939, 21590, 24130, 26690, 29830, 39878, 41021, 50711, 82042, 99695, 101422, 199390, 205105, 253555, 338963, 378841, 410210, 507110, 677926, 757682, 1694815, 1894205, 3389630, 3788410, 6440297, 12880594, 32201485, 64402970]

約数ペア:

[(1, 64402970), (2, 32201485), (5, 12880594), (10, 6440297), (17, 3788410), (19, 3389630), (34, 1894205), (38, 1694815), (85, 757682), (95, 677926), (127, 507110), (157, 410210), (170, 378841), (190, 338963), (254, 253555), (314, 205105), (323, 199390), (635, 101422), (646, 99695), (785, 82042), (1270, 50711), (1570, 41021), (1615, 39878), (2159, 29830), (2413, 26690), (2669, 24130), (2983, 21590), (3230, 19939), (4318, 14915), (4826, 13345), (5338, 12065), (5966, 10795)]