2021018520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:877

約数の個数: 128

約数和(自身を含む): 6143428800

約数和(自身を除く): 4122410280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 269, 274, 411, 457, 538, 548, 685, 807, 822, 914, 1076, 1096, 1345, 1370, 1371, 1614, 1644, 1828, 2055, 2152, 2285, 2690, 2740, 2742, 3228, 3288, 3656, 4035, 4110, 4570, 5380, 5480, 5484, 6456, 6855, 8070, 8220, 9140, 10760, 10968, 13710, 16140, 16440, 18280, 27420, 32280, 36853, 54840, 62609, 73706, 110559, 122933, 125218, 147412, 184265, 187827, 221118, 245866, 250436, 294824, 313045, 368530, 368799, 375654, 442236, 491732, 500872, 552795, 614665, 626090, 737060, 737598, 751308, 884472, 939135, 983464, 1105590, 1229330, 1252180, 1474120, 1475196, 1502616, 1843995, 1878270, 2211180, 2458660, 2504360, 2950392, 3687990, 3756540, 4422360, 4917320, 7375980, 7513080, 14751960, 16841821, 33683642, 50525463, 67367284, 84209105, 101050926, 134734568, 168418210, 202101852, 252627315, 336836420, 404203704, 505254630, 673672840, 1010509260, 2021018520]

約数ペア:

[(1, 2021018520), (2, 1010509260), (3, 673672840), (4, 505254630), (5, 404203704), (6, 336836420), (8, 252627315), (10, 202101852), (12, 168418210), (15, 134734568), (20, 101050926), (24, 84209105), (30, 67367284), (40, 50525463), (60, 33683642), (120, 16841821), (137, 14751960), (269, 7513080), (274, 7375980), (411, 4917320), (457, 4422360), (538, 3756540), (548, 3687990), (685, 2950392), (807, 2504360), (822, 2458660), (914, 2211180), (1076, 1878270), (1096, 1843995), (1345, 1502616), (1370, 1475196), (1371, 1474120), (1614, 1252180), (1644, 1229330), (1828, 1105590), (2055, 983464), (2152, 939135), (2285, 884472), (2690, 751308), (2740, 737598), (2742, 737060), (3228, 626090), (3288, 614665), (3656, 552795), (4035, 500872), (4110, 491732), (4570, 442236), (5380, 375654), (5480, 368799), (5484, 368530), (6456, 313045), (6855, 294824), (8070, 250436), (8220, 245866), (9140, 221118), (10760, 187827), (10968, 184265), (13710, 147412), (16140, 125218), (16440, 122933), (18280, 110559), (27420, 73706), (32280, 62609), (36853, 54840)]