857279920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:803

約数の個数: 160

約数和(自身を含む): 2404131840

約数和(自身を除く): 1546851920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 101, 112, 115, 140, 161, 184, 202, 230, 280, 322, 368, 404, 460, 505, 560, 644, 659, 707, 805, 808, 920, 1010, 1288, 1318, 1414, 1610, 1616, 1840, 2020, 2323, 2576, 2636, 2828, 3220, 3295, 3535, 4040, 4613, 4646, 5272, 5656, 6440, 6590, 7070, 8080, 9226, 9292, 10544, 11312, 11615, 12880, 13180, 14140, 15157, 16261, 18452, 18584, 23065, 23230, 26360, 28280, 30314, 32522, 36904, 37168, 46130, 46460, 52720, 56560, 60628, 65044, 66559, 73808, 75785, 81305, 92260, 92920, 106099, 121256, 130088, 133118, 151570, 162610, 184520, 185840, 212198, 242512, 260176, 266236, 303140, 325220, 332795, 369040, 424396, 465913, 530495, 532472, 606280, 650440, 665590, 848792, 931826, 1060990, 1064944, 1212560, 1300880, 1331180, 1530857, 1697584, 1863652, 2121980, 2329565, 2662360, 3061714, 3727304, 4243960, 4659130, 5324720, 6123428, 7454608, 7654285, 8487920, 9318260, 10715999, 12246856, 15308570, 18636520, 21431998, 24493712, 30617140, 37273040, 42863996, 53579995, 61234280, 85727992, 107159990, 122468560, 171455984, 214319980, 428639960, 857279920]

約数ペア:

[(1, 857279920), (2, 428639960), (4, 214319980), (5, 171455984), (7, 122468560), (8, 107159990), (10, 85727992), (14, 61234280), (16, 53579995), (20, 42863996), (23, 37273040), (28, 30617140), (35, 24493712), (40, 21431998), (46, 18636520), (56, 15308570), (70, 12246856), (80, 10715999), (92, 9318260), (101, 8487920), (112, 7654285), (115, 7454608), (140, 6123428), (161, 5324720), (184, 4659130), (202, 4243960), (230, 3727304), (280, 3061714), (322, 2662360), (368, 2329565), (404, 2121980), (460, 1863652), (505, 1697584), (560, 1530857), (644, 1331180), (659, 1300880), (707, 1212560), (805, 1064944), (808, 1060990), (920, 931826), (1010, 848792), (1288, 665590), (1318, 650440), (1414, 606280), (1610, 532472), (1616, 530495), (1840, 465913), (2020, 424396), (2323, 369040), (2576, 332795), (2636, 325220), (2828, 303140), (3220, 266236), (3295, 260176), (3535, 242512), (4040, 212198), (4613, 185840), (4646, 184520), (5272, 162610), (5656, 151570), (6440, 133118), (6590, 130088), (7070, 121256), (8080, 106099), (9226, 92920), (9292, 92260), (10544, 81305), (11312, 75785), (11615, 73808), (12880, 66559), (13180, 65044), (14140, 60628), (15157, 56560), (16261, 52720), (18452, 46460), (18584, 46130), (23065, 37168), (23230, 36904), (26360, 32522), (28280, 30314)]