1520220070131

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{221999}}^1$

素因数の和:222264

約数の個数: 64

約数和(自身を含む): 2442412032000

約数和(自身を除く): 922191961869

約数列:

[1, 3, 7, 21, 31, 67, 93, 157, 201, 217, 469, 471, 651, 1099, 1407, 2077, 3297, 4867, 6231, 10519, 14539, 14601, 31557, 34069, 43617, 73633, 102207, 220899, 221999, 326089, 665997, 978267, 1553993, 2282623, 4661979, 6847869, 6881969, 14873933, 20645907, 34853843, 44621799, 48173783, 104117531, 104561529, 144521349, 243976901, 312352593, 461091923, 731930703, 1080469133, 1383275769, 2335207481, 3227643461, 3241407399, 7005622443, 7563283931, 9682930383, 16346452367, 22689851793, 49039357101, 72391431911, 217174295733, 506740023377, 1520220070131]

約数ペア:

[(1, 1520220070131), (3, 506740023377), (7, 217174295733), (21, 72391431911), (31, 49039357101), (67, 22689851793), (93, 16346452367), (157, 9682930383), (201, 7563283931), (217, 7005622443), (469, 3241407399), (471, 3227643461), (651, 2335207481), (1099, 1383275769), (1407, 1080469133), (2077, 731930703), (3297, 461091923), (4867, 312352593), (6231, 243976901), (10519, 144521349), (14539, 104561529), (14601, 104117531), (31557, 48173783), (34069, 44621799), (43617, 34853843), (73633, 20645907), (102207, 14873933), (220899, 6881969), (221999, 6847869), (326089, 4661979), (665997, 2282623), (978267, 1553993)]