74784640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{16693}}^1$

素因数の和:16719

約数の個数: 64

約数和(自身を含む): 204334560

約数和(自身を除く): 129549920

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, 4480, 16693, 33386, 66772, 83465, 116851, 133544, 166930, 233702, 267088, 333860, 467404, 534176, 584255, 667720, 934808, 1068352, 1168510, 1335440, 1869616, 2136704, 2337020, 2670880, 3739232, 4674040, 5341760, 7478464, 9348080, 10683520, 14956928, 18696160, 37392320, 74784640]

約数ペア:

[(1, 74784640), (2, 37392320), (4, 18696160), (5, 14956928), (7, 10683520), (8, 9348080), (10, 7478464), (14, 5341760), (16, 4674040), (20, 3739232), (28, 2670880), (32, 2337020), (35, 2136704), (40, 1869616), (56, 1335440), (64, 1168510), (70, 1068352), (80, 934808), (112, 667720), (128, 584255), (140, 534176), (160, 467404), (224, 333860), (280, 267088), (320, 233702), (448, 166930), (560, 133544), (640, 116851), (896, 83465), (1120, 66772), (2240, 33386), (4480, 16693)]