69469240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 161507520

約数和(自身を除く): 92038280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 401, 488, 568, 610, 710, 802, 1220, 1420, 1604, 2005, 2440, 2840, 3208, 4010, 4331, 8020, 8662, 16040, 17324, 21655, 24461, 28471, 34648, 43310, 48922, 56942, 86620, 97844, 113884, 122305, 142355, 173240, 195688, 227768, 244610, 284710, 489220, 569420, 978440, 1138840, 1736731, 3473462, 6946924, 8683655, 13893848, 17367310, 34734620, 69469240]

約数ペア:

[(1, 69469240), (2, 34734620), (4, 17367310), (5, 13893848), (8, 8683655), (10, 6946924), (20, 3473462), (40, 1736731), (61, 1138840), (71, 978440), (122, 569420), (142, 489220), (244, 284710), (284, 244610), (305, 227768), (355, 195688), (401, 173240), (488, 142355), (568, 122305), (610, 113884), (710, 97844), (802, 86620), (1220, 56942), (1420, 48922), (1604, 43310), (2005, 34648), (2440, 28471), (2840, 24461), (3208, 21655), (4010, 17324), (4331, 16040), (8020, 8662)]