15694868120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{19433}}^1$

素因数の和:19836

約数の個数: 64

約数和(自身を含む): 36002651040

約数和(自身を除く): 20307782920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 331, 488, 610, 662, 1220, 1324, 1655, 2440, 2648, 3310, 6620, 13240, 19433, 20191, 38866, 40382, 77732, 80764, 97165, 100955, 155464, 161528, 194330, 201910, 388660, 403820, 777320, 807640, 1185413, 2370826, 4741652, 5927065, 6432323, 9483304, 11854130, 12864646, 23708260, 25729292, 32161615, 47416520, 51458584, 64323230, 128646460, 257292920, 392371703, 784743406, 1569486812, 1961858515, 3138973624, 3923717030, 7847434060, 15694868120]

約数ペア:

[(1, 15694868120), (2, 7847434060), (4, 3923717030), (5, 3138973624), (8, 1961858515), (10, 1569486812), (20, 784743406), (40, 392371703), (61, 257292920), (122, 128646460), (244, 64323230), (305, 51458584), (331, 47416520), (488, 32161615), (610, 25729292), (662, 23708260), (1220, 12864646), (1324, 11854130), (1655, 9483304), (2440, 6432323), (2648, 5927065), (3310, 4741652), (6620, 2370826), (13240, 1185413), (19433, 807640), (20191, 777320), (38866, 403820), (40382, 388660), (77732, 201910), (80764, 194330), (97165, 161528), (100955, 155464)]