90166720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{40253}}^1$

素因数の和:40277

約数の個数: 56

約数和(自身を含む): 245388384

約数和(自身を除く): 155221664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 40253, 80506, 161012, 201265, 281771, 322024, 402530, 563542, 644048, 805060, 1127084, 1288096, 1408855, 1610120, 2254168, 2576192, 2817710, 3220240, 4508336, 5635420, 6440480, 9016672, 11270840, 12880960, 18033344, 22541680, 45083360, 90166720]

約数ペア:

[(1, 90166720), (2, 45083360), (4, 22541680), (5, 18033344), (7, 12880960), (8, 11270840), (10, 9016672), (14, 6440480), (16, 5635420), (20, 4508336), (28, 3220240), (32, 2817710), (35, 2576192), (40, 2254168), (56, 1610120), (64, 1408855), (70, 1288096), (80, 1127084), (112, 805060), (140, 644048), (160, 563542), (224, 402530), (280, 322024), (320, 281771), (448, 201265), (560, 161012), (1120, 80506), (2240, 40253)]