15489709490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{1709}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 29412875520

約数和(自身を除く): 13923166030

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 251, 314, 502, 785, 1255, 1570, 1709, 2510, 3418, 3611, 5773, 7222, 8545, 11546, 17090, 18055, 28865, 36110, 39307, 39407, 57730, 78614, 78814, 196535, 197035, 268313, 393070, 394070, 428959, 536626, 857918, 906361, 1341565, 1812722, 2144795, 2683130, 4289590, 4531805, 6171199, 9063610, 9866057, 12342398, 19732114, 30855995, 49330285, 61711990, 67346563, 98660570, 134693126, 336732815, 673465630, 1548970949, 3097941898, 7744854745, 15489709490]

約数ペア:

[(1, 15489709490), (2, 7744854745), (5, 3097941898), (10, 1548970949), (23, 673465630), (46, 336732815), (115, 134693126), (157, 98660570), (230, 67346563), (251, 61711990), (314, 49330285), (502, 30855995), (785, 19732114), (1255, 12342398), (1570, 9866057), (1709, 9063610), (2510, 6171199), (3418, 4531805), (3611, 4289590), (5773, 2683130), (7222, 2144795), (8545, 1812722), (11546, 1341565), (17090, 906361), (18055, 857918), (28865, 536626), (36110, 428959), (39307, 394070), (39407, 393070), (57730, 268313), (78614, 197035), (78814, 196535)]