72655905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 69270495

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 79, 95, 105, 133, 237, 285, 395, 399, 461, 553, 665, 1185, 1383, 1501, 1659, 1995, 2305, 2765, 3227, 4503, 6915, 7505, 8295, 8759, 9681, 10507, 16135, 22515, 26277, 31521, 36419, 43795, 48405, 52535, 61313, 109257, 131385, 157605, 182095, 183939, 254933, 306565, 546285, 691961, 764799, 919695, 1274665, 2075883, 3459805, 3823995, 4843727, 10379415, 14531181, 24218635, 72655905]

約数ペア:

[(1, 72655905), (3, 24218635), (5, 14531181), (7, 10379415), (15, 4843727), (19, 3823995), (21, 3459805), (35, 2075883), (57, 1274665), (79, 919695), (95, 764799), (105, 691961), (133, 546285), (237, 306565), (285, 254933), (395, 183939), (399, 182095), (461, 157605), (553, 131385), (665, 109257), (1185, 61313), (1383, 52535), (1501, 48405), (1659, 43795), (1995, 36419), (2305, 31521), (2765, 26277), (3227, 22515), (4503, 16135), (6915, 10507), (7505, 9681), (8295, 8759)]