1777890780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{77773}}^1$

素因数の和:77915

約数の個数: 72

約数和(自身を含む): 5435469312

約数和(自身を除く): 3657578532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 22860, 77773, 155546, 233319, 311092, 388865, 466638, 699957, 777730, 933276, 1166595, 1399914, 1555460, 2333190, 2799828, 3499785, 4666380, 6999570, 9877171, 13999140, 19754342, 29631513, 39508684, 49385855, 59263026, 88894539, 98771710, 118526052, 148157565, 177789078, 197543420, 296315130, 355578156, 444472695, 592630260, 888945390, 1777890780]

約数ペア:

[(1, 1777890780), (2, 888945390), (3, 592630260), (4, 444472695), (5, 355578156), (6, 296315130), (9, 197543420), (10, 177789078), (12, 148157565), (15, 118526052), (18, 98771710), (20, 88894539), (30, 59263026), (36, 49385855), (45, 39508684), (60, 29631513), (90, 19754342), (127, 13999140), (180, 9877171), (254, 6999570), (381, 4666380), (508, 3499785), (635, 2799828), (762, 2333190), (1143, 1555460), (1270, 1399914), (1524, 1166595), (1905, 933276), (2286, 777730), (2540, 699957), (3810, 466638), (4572, 388865), (5715, 311092), (7620, 233319), (11430, 155546), (22860, 77773)]