203488640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 525463200

約数和(自身を除く): 321974560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 64, 68, 80, 85, 118, 128, 136, 160, 170, 236, 272, 295, 317, 320, 340, 472, 544, 590, 634, 640, 680, 944, 1003, 1088, 1180, 1268, 1360, 1585, 1888, 2006, 2176, 2360, 2536, 2720, 3170, 3776, 4012, 4720, 5015, 5072, 5389, 5440, 6340, 7552, 8024, 9440, 10030, 10144, 10778, 10880, 12680, 16048, 18703, 18880, 20060, 20288, 21556, 25360, 26945, 32096, 37406, 37760, 40120, 40576, 43112, 50720, 53890, 64192, 74812, 80240, 86224, 93515, 101440, 107780, 128384, 149624, 160480, 172448, 187030, 202880, 215560, 299248, 317951, 320960, 344896, 374060, 431120, 598496, 635902, 641920, 689792, 748120, 862240, 1196992, 1271804, 1496240, 1589755, 1724480, 2393984, 2543608, 2992480, 3179510, 3448960, 5087216, 5984960, 6359020, 10174432, 11969920, 12718040, 20348864, 25436080, 40697728, 50872160, 101744320, 203488640]

約数ペア:

[(1, 203488640), (2, 101744320), (4, 50872160), (5, 40697728), (8, 25436080), (10, 20348864), (16, 12718040), (17, 11969920), (20, 10174432), (32, 6359020), (34, 5984960), (40, 5087216), (59, 3448960), (64, 3179510), (68, 2992480), (80, 2543608), (85, 2393984), (118, 1724480), (128, 1589755), (136, 1496240), (160, 1271804), (170, 1196992), (236, 862240), (272, 748120), (295, 689792), (317, 641920), (320, 635902), (340, 598496), (472, 431120), (544, 374060), (590, 344896), (634, 320960), (640, 317951), (680, 299248), (944, 215560), (1003, 202880), (1088, 187030), (1180, 172448), (1268, 160480), (1360, 149624), (1585, 128384), (1888, 107780), (2006, 101440), (2176, 93515), (2360, 86224), (2536, 80240), (2720, 74812), (3170, 64192), (3776, 53890), (4012, 50720), (4720, 43112), (5015, 40576), (5072, 40120), (5389, 37760), (5440, 37406), (6340, 32096), (7552, 26945), (8024, 25360), (9440, 21556), (10030, 20288), (10144, 20060), (10778, 18880), (10880, 18703), (12680, 16048)]