19438720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4339}}^1$

素因数の和:4365

約数の個数: 64

約数和(自身を含む): 53121600

約数和(自身を除く): 33682880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4339, 4480, 8678, 17356, 21695, 30373, 34712, 43390, 60746, 69424, 86780, 121492, 138848, 151865, 173560, 242984, 277696, 303730, 347120, 485968, 555392, 607460, 694240, 971936, 1214920, 1388480, 1943872, 2429840, 2776960, 3887744, 4859680, 9719360, 19438720]

約数ペア:

[(1, 19438720), (2, 9719360), (4, 4859680), (5, 3887744), (7, 2776960), (8, 2429840), (10, 1943872), (14, 1388480), (16, 1214920), (20, 971936), (28, 694240), (32, 607460), (35, 555392), (40, 485968), (56, 347120), (64, 303730), (70, 277696), (80, 242984), (112, 173560), (128, 151865), (140, 138848), (160, 121492), (224, 86780), (280, 69424), (320, 60746), (448, 43390), (560, 34712), (640, 30373), (896, 21695), (1120, 17356), (2240, 8678), (4339, 4480)]