265593040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1091}}^1$

素因数の和:1300

約数の個数: 80

約数和(自身を含む): 658082880

約数和(自身を除く): 392489840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 272, 340, 358, 680, 716, 895, 1091, 1360, 1432, 1790, 2182, 2864, 3043, 3580, 4364, 5455, 6086, 7160, 8728, 10910, 12172, 14320, 15215, 17456, 18547, 21820, 24344, 30430, 37094, 43640, 48688, 60860, 74188, 87280, 92735, 121720, 148376, 185470, 195289, 243440, 296752, 370940, 390578, 741880, 781156, 976445, 1483760, 1562312, 1952890, 3124624, 3319913, 3905780, 6639826, 7811560, 13279652, 15623120, 16599565, 26559304, 33199130, 53118608, 66398260, 132796520, 265593040]

約数ペア:

[(1, 265593040), (2, 132796520), (4, 66398260), (5, 53118608), (8, 33199130), (10, 26559304), (16, 16599565), (17, 15623120), (20, 13279652), (34, 7811560), (40, 6639826), (68, 3905780), (80, 3319913), (85, 3124624), (136, 1952890), (170, 1562312), (179, 1483760), (272, 976445), (340, 781156), (358, 741880), (680, 390578), (716, 370940), (895, 296752), (1091, 243440), (1360, 195289), (1432, 185470), (1790, 148376), (2182, 121720), (2864, 92735), (3043, 87280), (3580, 74188), (4364, 60860), (5455, 48688), (6086, 43640), (7160, 37094), (8728, 30430), (10910, 24344), (12172, 21820), (14320, 18547), (15215, 17456)]