81768180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104831}}^1$

素因数の和:104856

約数の個数: 48

約数和(自身を含む): 246564864

約数和(自身を除く): 164796684

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, 104831, 209662, 314493, 419324, 524155, 628986, 1048310, 1257972, 1362803, 1572465, 2096620, 2725606, 3144930, 4088409, 5451212, 6289860, 6814015, 8176818, 13628030, 16353636, 20442045, 27256060, 40884090, 81768180]

約数ペア:

[(1, 81768180), (2, 40884090), (3, 27256060), (4, 20442045), (5, 16353636), (6, 13628030), (10, 8176818), (12, 6814015), (13, 6289860), (15, 5451212), (20, 4088409), (26, 3144930), (30, 2725606), (39, 2096620), (52, 1572465), (60, 1362803), (65, 1257972), (78, 1048310), (130, 628986), (156, 524155), (195, 419324), (260, 314493), (390, 209662), (780, 104831)]