664840960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{74201}}^1$

素因数の和:74229

約数の個数: 72

約数和(自身を含む): 1820026656

約数和(自身を除く): 1155185696

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 74201, 148402, 296804, 371005, 519407, 593608, 742010, 1038814, 1187216, 1484020, 2077628, 2374432, 2597035, 2968040, 4155256, 4748864, 5194070, 5936080, 8310512, 9497728, 10388140, 11872160, 16621024, 18995456, 20776280, 23744320, 33242048, 41552560, 47488640, 66484096, 83105120, 94977280, 132968192, 166210240, 332420480, 664840960]

約数ペア:

[(1, 664840960), (2, 332420480), (4, 166210240), (5, 132968192), (7, 94977280), (8, 83105120), (10, 66484096), (14, 47488640), (16, 41552560), (20, 33242048), (28, 23744320), (32, 20776280), (35, 18995456), (40, 16621024), (56, 11872160), (64, 10388140), (70, 9497728), (80, 8310512), (112, 5936080), (128, 5194070), (140, 4748864), (160, 4155256), (224, 2968040), (256, 2597035), (280, 2374432), (320, 2077628), (448, 1484020), (560, 1187216), (640, 1038814), (896, 742010), (1120, 593608), (1280, 519407), (1792, 371005), (2240, 296804), (4480, 148402), (8960, 74201)]