68352180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87631}}^1$

素因数の和:87656

約数の個数: 48

約数和(自身を含む): 206110464

約数和(自身を除く): 137758284

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, 87631, 175262, 262893, 350524, 438155, 525786, 876310, 1051572, 1139203, 1314465, 1752620, 2278406, 2628930, 3417609, 4556812, 5257860, 5696015, 6835218, 11392030, 13670436, 17088045, 22784060, 34176090, 68352180]

約数ペア:

[(1, 68352180), (2, 34176090), (3, 22784060), (4, 17088045), (5, 13670436), (6, 11392030), (10, 6835218), (12, 5696015), (13, 5257860), (15, 4556812), (20, 3417609), (26, 2628930), (30, 2278406), (39, 1752620), (52, 1314465), (60, 1139203), (65, 1051572), (78, 876310), (130, 525786), (156, 438155), (195, 350524), (260, 262893), (390, 175262), (780, 87631)]