78019920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9851}}^1$

素因数の和:9881

約数の個数: 120

約数和(自身を含む): 285865632

約数和(自身を除く): 207845712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 9851, 19702, 29553, 39404, 49255, 59106, 78808, 88659, 98510, 108361, 118212, 147765, 157616, 177318, 197020, 216722, 236424, 295530, 325083, 354636, 394040, 433444, 443295, 472848, 541805, 591060, 650166, 709272, 788080, 866888, 886590, 975249, 1083610, 1182120, 1300332, 1418544, 1625415, 1733776, 1773180, 1950498, 2167220, 2364240, 2600664, 3250830, 3546360, 3900996, 4334440, 4876245, 5201328, 6501660, 7092720, 7801992, 8668880, 9752490, 13003320, 15603984, 19504980, 26006640, 39009960, 78019920]

約数ペア:

[(1, 78019920), (2, 39009960), (3, 26006640), (4, 19504980), (5, 15603984), (6, 13003320), (8, 9752490), (9, 8668880), (10, 7801992), (11, 7092720), (12, 6501660), (15, 5201328), (16, 4876245), (18, 4334440), (20, 3900996), (22, 3546360), (24, 3250830), (30, 2600664), (33, 2364240), (36, 2167220), (40, 1950498), (44, 1773180), (45, 1733776), (48, 1625415), (55, 1418544), (60, 1300332), (66, 1182120), (72, 1083610), (80, 975249), (88, 886590), (90, 866888), (99, 788080), (110, 709272), (120, 650166), (132, 591060), (144, 541805), (165, 472848), (176, 443295), (180, 433444), (198, 394040), (220, 354636), (240, 325083), (264, 295530), (330, 236424), (360, 216722), (396, 197020), (440, 177318), (495, 157616), (528, 147765), (660, 118212), (720, 108361), (792, 98510), (880, 88659), (990, 78808), (1320, 59106), (1584, 49255), (1980, 39404), (2640, 29553), (3960, 19702), (7920, 9851)]