81114540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103993}}^1$

素因数の和:104018

約数の個数: 48

約数和(自身を含む): 244593888

約数和(自身を除く): 163479348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 103993, 207986, 311979, 415972, 519965, 623958, 1039930, 1247916, 1351909, 1559895, 2079860, 2703818, 3119790, 4055727, 5407636, 6239580, 6759545, 8111454, 13519090, 16222908, 20278635, 27038180, 40557270, 81114540]

約数ペア:

[(1, 81114540), (2, 40557270), (3, 27038180), (4, 20278635), (5, 16222908), (6, 13519090), (10, 8111454), (12, 6759545), (13, 6239580), (15, 5407636), (20, 4055727), (26, 3119790), (30, 2703818), (39, 2079860), (52, 1559895), (60, 1351909), (65, 1247916), (78, 1039930), (130, 623958), (156, 519965), (195, 415972), (260, 311979), (390, 207986), (780, 103993)]