65851720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7877}}^1$

素因数の和:7918

約数の個数: 64

約数和(自身を含む): 170164800

約数和(自身を除く): 104313080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 7877, 8360, 15754, 31508, 39385, 63016, 78770, 86647, 149663, 157540, 173294, 299326, 315080, 346588, 433235, 598652, 693176, 748315, 866470, 1197304, 1496630, 1646293, 1732940, 2993260, 3292586, 3465880, 5986520, 6585172, 8231465, 13170344, 16462930, 32925860, 65851720]

約数ペア:

[(1, 65851720), (2, 32925860), (4, 16462930), (5, 13170344), (8, 8231465), (10, 6585172), (11, 5986520), (19, 3465880), (20, 3292586), (22, 2993260), (38, 1732940), (40, 1646293), (44, 1496630), (55, 1197304), (76, 866470), (88, 748315), (95, 693176), (110, 598652), (152, 433235), (190, 346588), (209, 315080), (220, 299326), (380, 173294), (418, 157540), (440, 149663), (760, 86647), (836, 78770), (1045, 63016), (1672, 39385), (2090, 31508), (4180, 15754), (7877, 8360)]