318935680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71191}}^1$

素因数の和:71217

約数の個数: 64

約数和(自身を含む): 871390080

約数和(自身を除く): 552454400

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, 71191, 142382, 284764, 355955, 498337, 569528, 711910, 996674, 1139056, 1423820, 1993348, 2278112, 2491685, 2847640, 3986696, 4556224, 4983370, 5695280, 7973392, 9112448, 9966740, 11390560, 15946784, 19933480, 22781120, 31893568, 39866960, 45562240, 63787136, 79733920, 159467840, 318935680]

約数ペア:

[(1, 318935680), (2, 159467840), (4, 79733920), (5, 63787136), (7, 45562240), (8, 39866960), (10, 31893568), (14, 22781120), (16, 19933480), (20, 15946784), (28, 11390560), (32, 9966740), (35, 9112448), (40, 7973392), (56, 5695280), (64, 4983370), (70, 4556224), (80, 3986696), (112, 2847640), (128, 2491685), (140, 2278112), (160, 1993348), (224, 1423820), (280, 1139056), (320, 996674), (448, 711910), (560, 569528), (640, 498337), (896, 355955), (1120, 284764), (2240, 142382), (4480, 71191)]