31870720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{3557}}^1$

素因数の和:3585

約数の個数: 72

約数和(自身を含む): 87270624

約数和(自身を除く): 55399904

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, 3557, 4480, 7114, 8960, 14228, 17785, 24899, 28456, 35570, 49798, 56912, 71140, 99596, 113824, 124495, 142280, 199192, 227648, 248990, 284560, 398384, 455296, 497980, 569120, 796768, 910592, 995960, 1138240, 1593536, 1991920, 2276480, 3187072, 3983840, 4552960, 6374144, 7967680, 15935360, 31870720]

約数ペア:

[(1, 31870720), (2, 15935360), (4, 7967680), (5, 6374144), (7, 4552960), (8, 3983840), (10, 3187072), (14, 2276480), (16, 1991920), (20, 1593536), (28, 1138240), (32, 995960), (35, 910592), (40, 796768), (56, 569120), (64, 497980), (70, 455296), (80, 398384), (112, 284560), (128, 248990), (140, 227648), (160, 199192), (224, 142280), (256, 124495), (280, 113824), (320, 99596), (448, 71140), (560, 56912), (640, 49798), (896, 35570), (1120, 28456), (1280, 24899), (1792, 17785), (2240, 14228), (3557, 8960), (4480, 7114)]