19516530780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1\times {\mathrm{7433}}^1$

素因数の和:7980

約数の個数: 144

約数和(自身を含む): 61371535680

約数和(自身を除く): 41855004900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 503, 522, 580, 870, 1006, 1044, 1305, 1509, 1740, 2012, 2515, 2610, 3018, 4527, 5030, 5220, 6036, 7433, 7545, 9054, 10060, 14587, 14866, 15090, 18108, 22299, 22635, 29174, 29732, 30180, 37165, 43761, 44598, 45270, 58348, 66897, 72935, 74330, 87522, 89196, 90540, 111495, 131283, 133794, 145870, 148660, 175044, 215557, 218805, 222990, 262566, 267588, 291740, 334485, 431114, 437610, 445980, 525132, 646671, 656415, 668970, 862228, 875220, 1077785, 1293342, 1312830, 1337940, 1940013, 2155570, 2586684, 2625660, 3233355, 3738799, 3880026, 4311140, 6466710, 7477598, 7760052, 9700065, 11216397, 12933420, 14955196, 18693995, 19400130, 22432794, 33649191, 37387990, 38800260, 44865588, 56081985, 67298382, 74775980, 108425171, 112163970, 134596764, 168245955, 216850342, 224327940, 325275513, 336491910, 433700684, 542125855, 650551026, 672983820, 975826539, 1084251710, 1301102052, 1626377565, 1951653078, 2168503420, 3252755130, 3903306156, 4879132695, 6505510260, 9758265390, 19516530780]

約数ペア:

[(1, 19516530780), (2, 9758265390), (3, 6505510260), (4, 4879132695), (5, 3903306156), (6, 3252755130), (9, 2168503420), (10, 1951653078), (12, 1626377565), (15, 1301102052), (18, 1084251710), (20, 975826539), (29, 672983820), (30, 650551026), (36, 542125855), (45, 433700684), (58, 336491910), (60, 325275513), (87, 224327940), (90, 216850342), (116, 168245955), (145, 134596764), (174, 112163970), (180, 108425171), (261, 74775980), (290, 67298382), (348, 56081985), (435, 44865588), (503, 38800260), (522, 37387990), (580, 33649191), (870, 22432794), (1006, 19400130), (1044, 18693995), (1305, 14955196), (1509, 12933420), (1740, 11216397), (2012, 9700065), (2515, 7760052), (2610, 7477598), (3018, 6466710), (4527, 4311140), (5030, 3880026), (5220, 3738799), (6036, 3233355), (7433, 2625660), (7545, 2586684), (9054, 2155570), (10060, 1940013), (14587, 1337940), (14866, 1312830), (15090, 1293342), (18108, 1077785), (22299, 875220), (22635, 862228), (29174, 668970), (29732, 656415), (30180, 646671), (37165, 525132), (43761, 445980), (44598, 437610), (45270, 431114), (58348, 334485), (66897, 291740), (72935, 267588), (74330, 262566), (87522, 222990), (89196, 218805), (90540, 215557), (111495, 175044), (131283, 148660), (133794, 145870)]