69816420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{977}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 212527224

約数和(自身を除く): 142710804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 977, 1191, 1588, 1954, 1985, 2382, 2931, 3573, 3908, 3970, 4764, 4885, 5862, 5955, 7146, 7940, 8793, 9770, 11724, 11910, 14292, 14655, 17586, 17865, 19540, 23820, 29310, 35172, 35730, 43965, 58620, 71460, 87930, 175860, 387869, 775738, 1163607, 1551476, 1939345, 2327214, 3490821, 3878690, 4654428, 5818035, 6981642, 7757380, 11636070, 13963284, 17454105, 23272140, 34908210, 69816420]

約数ペア:

[(1, 69816420), (2, 34908210), (3, 23272140), (4, 17454105), (5, 13963284), (6, 11636070), (9, 7757380), (10, 6981642), (12, 5818035), (15, 4654428), (18, 3878690), (20, 3490821), (30, 2327214), (36, 1939345), (45, 1551476), (60, 1163607), (90, 775738), (180, 387869), (397, 175860), (794, 87930), (977, 71460), (1191, 58620), (1588, 43965), (1954, 35730), (1985, 35172), (2382, 29310), (2931, 23820), (3573, 19540), (3908, 17865), (3970, 17586), (4764, 14655), (4885, 14292), (5862, 11910), (5955, 11724), (7146, 9770), (7940, 8793)]