287297920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4933}}^1$

素因数の和:4972

約数の個数: 128

約数和(自身を含む): 845490240

約数和(自身を除く): 558192320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 4933, 5824, 7280, 8320, 9866, 11648, 14560, 19732, 24665, 29120, 34531, 39464, 49330, 58240, 64129, 69062, 78928, 98660, 128258, 138124, 157856, 172655, 197320, 256516, 276248, 315712, 320645, 345310, 394640, 448903, 513032, 552496, 631424, 641290, 690620, 789280, 897806, 1026064, 1104992, 1282580, 1381240, 1578560, 1795612, 2052128, 2209984, 2244515, 2565160, 2762480, 3157120, 3591224, 4104256, 4419968, 4489030, 5130320, 5524960, 7182448, 8208512, 8978060, 10260640, 11049920, 14364896, 17956120, 20521280, 22099840, 28729792, 35912240, 41042560, 57459584, 71824480, 143648960, 287297920]

約数ペア:

[(1, 287297920), (2, 143648960), (4, 71824480), (5, 57459584), (7, 41042560), (8, 35912240), (10, 28729792), (13, 22099840), (14, 20521280), (16, 17956120), (20, 14364896), (26, 11049920), (28, 10260640), (32, 8978060), (35, 8208512), (40, 7182448), (52, 5524960), (56, 5130320), (64, 4489030), (65, 4419968), (70, 4104256), (80, 3591224), (91, 3157120), (104, 2762480), (112, 2565160), (128, 2244515), (130, 2209984), (140, 2052128), (160, 1795612), (182, 1578560), (208, 1381240), (224, 1282580), (260, 1104992), (280, 1026064), (320, 897806), (364, 789280), (416, 690620), (448, 641290), (455, 631424), (520, 552496), (560, 513032), (640, 448903), (728, 394640), (832, 345310), (896, 320645), (910, 315712), (1040, 276248), (1120, 256516), (1456, 197320), (1664, 172655), (1820, 157856), (2080, 138124), (2240, 128258), (2912, 98660), (3640, 78928), (4160, 69062), (4480, 64129), (4933, 58240), (5824, 49330), (7280, 39464), (8320, 34531), (9866, 29120), (11648, 24665), (14560, 19732)]