2689664120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1091}}^1$

素因数の和:1557

約数の個数: 128

約数和(自身を含む): 7132769280

約数和(自身を除く): 4443105160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 431, 440, 520, 572, 715, 862, 1091, 1144, 1430, 1724, 2155, 2182, 2860, 3448, 4310, 4364, 4741, 5455, 5603, 5720, 8620, 8728, 9482, 10910, 11206, 12001, 14183, 17240, 18964, 21820, 22412, 23705, 24002, 28015, 28366, 37928, 43640, 44824, 47410, 48004, 56030, 56732, 60005, 61633, 70915, 94820, 96008, 112060, 113464, 120010, 123266, 141830, 156013, 189640, 224120, 240020, 246532, 283660, 308165, 312026, 470221, 480040, 493064, 567320, 616330, 624052, 780065, 940442, 1232660, 1248104, 1560130, 1880884, 2351105, 2465320, 3120260, 3761768, 4702210, 5172431, 6112873, 6240520, 9404420, 10344862, 12225746, 18808840, 20689724, 24451492, 25862155, 30564365, 41379448, 48902984, 51724310, 61128730, 67241603, 103448620, 122257460, 134483206, 206897240, 244514920, 268966412, 336208015, 537932824, 672416030, 1344832060, 2689664120]

約数ペア:

[(1, 2689664120), (2, 1344832060), (4, 672416030), (5, 537932824), (8, 336208015), (10, 268966412), (11, 244514920), (13, 206897240), (20, 134483206), (22, 122257460), (26, 103448620), (40, 67241603), (44, 61128730), (52, 51724310), (55, 48902984), (65, 41379448), (88, 30564365), (104, 25862155), (110, 24451492), (130, 20689724), (143, 18808840), (220, 12225746), (260, 10344862), (286, 9404420), (431, 6240520), (440, 6112873), (520, 5172431), (572, 4702210), (715, 3761768), (862, 3120260), (1091, 2465320), (1144, 2351105), (1430, 1880884), (1724, 1560130), (2155, 1248104), (2182, 1232660), (2860, 940442), (3448, 780065), (4310, 624052), (4364, 616330), (4741, 567320), (5455, 493064), (5603, 480040), (5720, 470221), (8620, 312026), (8728, 308165), (9482, 283660), (10910, 246532), (11206, 240020), (12001, 224120), (14183, 189640), (17240, 156013), (18964, 141830), (21820, 123266), (22412, 120010), (23705, 113464), (24002, 112060), (28015, 96008), (28366, 94820), (37928, 70915), (43640, 61633), (44824, 60005), (47410, 56732), (48004, 56030)]