1686828520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1335

約数の個数: 128

約数和(自身を含む): 4258830240

約数和(自身を除く): 2572001720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 73, 74, 104, 130, 146, 148, 185, 260, 292, 296, 365, 370, 481, 520, 584, 730, 740, 949, 962, 1201, 1460, 1480, 1898, 1924, 2402, 2405, 2701, 2920, 3796, 3848, 4745, 4804, 4810, 5402, 6005, 7592, 9490, 9608, 9620, 10804, 12010, 13505, 15613, 18980, 19240, 21608, 24020, 27010, 31226, 35113, 37960, 44437, 48040, 54020, 62452, 70226, 78065, 87673, 88874, 108040, 124904, 140452, 156130, 175346, 175565, 177748, 222185, 280904, 312260, 350692, 351130, 355496, 438365, 444370, 577681, 624520, 701384, 702260, 876730, 888740, 1139749, 1155362, 1404520, 1753460, 1777480, 2279498, 2310724, 2888405, 3243901, 3506920, 4558996, 4621448, 5698745, 5776810, 6487802, 9117992, 11397490, 11553620, 12975604, 16219505, 22794980, 23107240, 25951208, 32439010, 42170713, 45589960, 64878020, 84341426, 129756040, 168682852, 210853565, 337365704, 421707130, 843414260, 1686828520]

約数ペア:

[(1, 1686828520), (2, 843414260), (4, 421707130), (5, 337365704), (8, 210853565), (10, 168682852), (13, 129756040), (20, 84341426), (26, 64878020), (37, 45589960), (40, 42170713), (52, 32439010), (65, 25951208), (73, 23107240), (74, 22794980), (104, 16219505), (130, 12975604), (146, 11553620), (148, 11397490), (185, 9117992), (260, 6487802), (292, 5776810), (296, 5698745), (365, 4621448), (370, 4558996), (481, 3506920), (520, 3243901), (584, 2888405), (730, 2310724), (740, 2279498), (949, 1777480), (962, 1753460), (1201, 1404520), (1460, 1155362), (1480, 1139749), (1898, 888740), (1924, 876730), (2402, 702260), (2405, 701384), (2701, 624520), (2920, 577681), (3796, 444370), (3848, 438365), (4745, 355496), (4804, 351130), (4810, 350692), (5402, 312260), (6005, 280904), (7592, 222185), (9490, 177748), (9608, 175565), (9620, 175346), (10804, 156130), (12010, 140452), (13505, 124904), (15613, 108040), (18980, 88874), (19240, 87673), (21608, 78065), (24020, 70226), (27010, 62452), (31226, 54020), (35113, 48040), (37960, 44437)]