2560291240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2363

約数の個数: 128

約数和(自身を含む): 6497003520

約数和(自身を除く): 3936712280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 71, 104, 124, 130, 142, 155, 248, 260, 284, 310, 355, 403, 520, 568, 620, 710, 806, 923, 1240, 1420, 1612, 1846, 2015, 2201, 2237, 2840, 3224, 3692, 4030, 4402, 4474, 4615, 7384, 8060, 8804, 8948, 9230, 11005, 11185, 16120, 17608, 17896, 18460, 22010, 22370, 28613, 29081, 36920, 44020, 44740, 57226, 58162, 69347, 88040, 89480, 114452, 116324, 138694, 143065, 145405, 158827, 228904, 232648, 277388, 286130, 290810, 317654, 346735, 554776, 572260, 581620, 635308, 693470, 794135, 901511, 1144520, 1163240, 1270616, 1386940, 1588270, 1803022, 2064751, 2773880, 3176540, 3606044, 4129502, 4507555, 4923637, 6353080, 7212088, 8259004, 9015110, 9847274, 10323755, 16518008, 18030220, 19694548, 20647510, 24618185, 36060440, 39389096, 41295020, 49236370, 64007281, 82590040, 98472740, 128014562, 196945480, 256029124, 320036405, 512058248, 640072810, 1280145620, 2560291240]

約数ペア:

[(1, 2560291240), (2, 1280145620), (4, 640072810), (5, 512058248), (8, 320036405), (10, 256029124), (13, 196945480), (20, 128014562), (26, 98472740), (31, 82590040), (40, 64007281), (52, 49236370), (62, 41295020), (65, 39389096), (71, 36060440), (104, 24618185), (124, 20647510), (130, 19694548), (142, 18030220), (155, 16518008), (248, 10323755), (260, 9847274), (284, 9015110), (310, 8259004), (355, 7212088), (403, 6353080), (520, 4923637), (568, 4507555), (620, 4129502), (710, 3606044), (806, 3176540), (923, 2773880), (1240, 2064751), (1420, 1803022), (1612, 1588270), (1846, 1386940), (2015, 1270616), (2201, 1163240), (2237, 1144520), (2840, 901511), (3224, 794135), (3692, 693470), (4030, 635308), (4402, 581620), (4474, 572260), (4615, 554776), (7384, 346735), (8060, 317654), (8804, 290810), (8948, 286130), (9230, 277388), (11005, 232648), (11185, 228904), (16120, 158827), (17608, 145405), (17896, 143065), (18460, 138694), (22010, 116324), (22370, 114452), (28613, 89480), (29081, 88040), (36920, 69347), (44020, 58162), (44740, 57226)]