317307520

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7073

約数の個数: 64

約数和(自身を含む): 769357440

約数和(自身を除く): 452049920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 6983, 9088, 11360, 13966, 22720, 27932, 34915, 45440, 55864, 69830, 111728, 139660, 223456, 279320, 446912, 495793, 558640, 893824, 991586, 1117280, 1983172, 2234560, 2478965, 3966344, 4469120, 4957930, 7932688, 9915860, 15865376, 19831720, 31730752, 39663440, 63461504, 79326880, 158653760, 317307520]

約数ペア:

[(1, 317307520), (2, 158653760), (4, 79326880), (5, 63461504), (8, 39663440), (10, 31730752), (16, 19831720), (20, 15865376), (32, 9915860), (40, 7932688), (64, 4957930), (71, 4469120), (80, 3966344), (128, 2478965), (142, 2234560), (160, 1983172), (284, 1117280), (320, 991586), (355, 893824), (568, 558640), (640, 495793), (710, 446912), (1136, 279320), (1420, 223456), (2272, 139660), (2840, 111728), (4544, 69830), (5680, 55864), (6983, 45440), (9088, 34915), (11360, 27932), (13966, 22720)]