180781020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{143477}}^1$

素因数の和:143499

約数の個数: 72

約数和(自身を含む): 626711904

約数和(自身を除く): 445930884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 143477, 286954, 430431, 573908, 717385, 860862, 1004339, 1291293, 1434770, 1721724, 2008678, 2152155, 2582586, 2869540, 3013017, 4017356, 4304310, 5021695, 5165172, 6026034, 6456465, 8608620, 9039051, 10043390, 12052068, 12912930, 15065085, 18078102, 20086780, 25825860, 30130170, 36156204, 45195255, 60260340, 90390510, 180781020]

約数ペア:

[(1, 180781020), (2, 90390510), (3, 60260340), (4, 45195255), (5, 36156204), (6, 30130170), (7, 25825860), (9, 20086780), (10, 18078102), (12, 15065085), (14, 12912930), (15, 12052068), (18, 10043390), (20, 9039051), (21, 8608620), (28, 6456465), (30, 6026034), (35, 5165172), (36, 5021695), (42, 4304310), (45, 4017356), (60, 3013017), (63, 2869540), (70, 2582586), (84, 2152155), (90, 2008678), (105, 1721724), (126, 1434770), (140, 1291293), (180, 1004339), (210, 860862), (252, 717385), (315, 573908), (420, 430431), (630, 286954), (1260, 143477)]