72255765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 129576960

約数和(自身を除く): 57321195

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 73, 95, 115, 151, 219, 285, 345, 365, 437, 453, 755, 1095, 1311, 1387, 1679, 2185, 2265, 2869, 3473, 4161, 5037, 6555, 6935, 8395, 8607, 10419, 11023, 14345, 17365, 20805, 25185, 31901, 33069, 43035, 52095, 55115, 65987, 95703, 159505, 165345, 197961, 209437, 253529, 329935, 478515, 628311, 760587, 989805, 1047185, 1267645, 3141555, 3802935, 4817051, 14451153, 24085255, 72255765]

約数ペア:

[(1, 72255765), (3, 24085255), (5, 14451153), (15, 4817051), (19, 3802935), (23, 3141555), (57, 1267645), (69, 1047185), (73, 989805), (95, 760587), (115, 628311), (151, 478515), (219, 329935), (285, 253529), (345, 209437), (365, 197961), (437, 165345), (453, 159505), (755, 95703), (1095, 65987), (1311, 55115), (1387, 52095), (1679, 43035), (2185, 33069), (2265, 31901), (2869, 25185), (3473, 20805), (4161, 17365), (5037, 14345), (6555, 11023), (6935, 10419), (8395, 8607)]