1331787780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{7573}}^1$

素因数の和:8565

約数の個数: 72

約数和(自身を含む): 4044425112

約数和(自身を除く): 2712637332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 977, 1954, 2931, 3908, 4885, 5862, 7573, 8793, 9770, 11724, 14655, 15146, 17586, 19540, 22719, 29310, 30292, 35172, 37865, 43965, 45438, 58620, 68157, 75730, 87930, 90876, 113595, 136314, 151460, 175860, 227190, 272628, 340785, 454380, 681570, 1363140, 7398821, 14797642, 22196463, 29595284, 36994105, 44392926, 66589389, 73988210, 88785852, 110982315, 133178778, 147976420, 221964630, 266357556, 332946945, 443929260, 665893890, 1331787780]

約数ペア:

[(1, 1331787780), (2, 665893890), (3, 443929260), (4, 332946945), (5, 266357556), (6, 221964630), (9, 147976420), (10, 133178778), (12, 110982315), (15, 88785852), (18, 73988210), (20, 66589389), (30, 44392926), (36, 36994105), (45, 29595284), (60, 22196463), (90, 14797642), (180, 7398821), (977, 1363140), (1954, 681570), (2931, 454380), (3908, 340785), (4885, 272628), (5862, 227190), (7573, 175860), (8793, 151460), (9770, 136314), (11724, 113595), (14655, 90876), (15146, 87930), (17586, 75730), (19540, 68157), (22719, 58620), (29310, 45438), (30292, 43965), (35172, 37865)]